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1213202211030 = 232541328781087
BaseRepresentation
bin10001101001111000011…
…111001010000011010110
311021222111010222220211100
4101221320133022003112
5124334114231223110
62325200513450530
7153436165434135
oct21517037120326
94258433886740
101213202211030
114285750246a7
12177162b70a46
138a5348391b4
1442a0da8d91c
1521858c81bc0
hex11a787ca0d6

1213202211030 has 48 divisors (see below), whose sum is σ = 3231260532864. Its totient is φ = 315629842560.

The previous prime is 1213202210999. The next prime is 1213202211041. The reversal of 1213202211030 is 301122023121.

1213202211030 is a `hidden beast` number, since 1 + 21 + 320 + 221 + 103 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1213202210994 and 1213202211012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164386854 + ... + 164394233.

It is an arithmetic number, because the mean of its divisors is an integer number (67317927768).

Almost surely, 21213202211030 is an apocalyptic number.

1213202211030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213202211030 is an abundant number, since it is smaller than the sum of its proper divisors (2018058321834).

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

1213202211030 is a wasteful number, since it uses less digits than its factorization.

1213202211030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328781141 (or 328781138 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1213202211030 its reverse (301122023121), we get a palindrome (1514324234151).

The spelling of 1213202211030 in words is "one trillion, two hundred thirteen billion, two hundred two million, two hundred eleven thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 41 45 82 90 123 205 246 369 410 615 738 1230 1845 3690 328781087 657562174 986343261 1643905435 1972686522 2959029783 3287810870 4931716305 5918059566 9863432610 13480024567 14795148915 26960049134 29590297830 40440073701 67400122835 80880147402 121320221103 134800245670 202200368505 242640442206 404400737010 606601105515 1213202211030