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103123212210012 = 22329313799443611
BaseRepresentation
bin10111011100101000111110…
…011011101000111101011100
3111112010111000222002120222110
4113130220332123220331130
5102004032314311210022
61003154052155314020
730502256221664451
oct2734507633507534
9445114028076873
10103123212210012
112a94934396a995
12b695b7714b910
1345706284b5497
141b672938d7828
15bdc710eca00c
hex5dca3e6e8f5c

103123212210012 has 48 divisors (see below), whose sum is σ = 248926057430400. Its totient is φ = 33188018592960.

The previous prime is 103123212209993. The next prime is 103123212210037. The reversal of 103123212210012 is 210012212321301.

It is a super-2 number, since 2×1031232122100122 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6198087 + ... + 15641697.

It is an arithmetic number, because the mean of its divisors is an integer number (5185959529800).

Almost surely, 2103123212210012 is an apocalyptic number.

103123212210012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103123212210012 is an abundant number, since it is smaller than the sum of its proper divisors (145802845220388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103123212210012 is a wasteful number, since it uses less digits than its factorization.

103123212210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9475026 (or 9475024 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 103123212210012 its reverse (210012212321301), we get a palindrome (313135424531313).

The spelling of 103123212210012 in words is "one hundred three trillion, one hundred twenty-three billion, two hundred twelve million, two hundred ten thousand, twelve".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 31379 62758 94137 125516 188274 376548 909991 1819982 2729973 3639964 5459946 9443611 10919892 18887222 28330833 37774444 56661666 113323332 273864719 547729438 821594157 1095458876 1643188314 3286376628 296331069569 592662139138 888993208707 1185324278276 1777986417414 3555972834828 8593601017501 17187202035002 25780803052503 34374404070004 51561606105006 103123212210012