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102012012102020 = 2255876386799527
BaseRepresentation
bin10111001100011110000101…
…101111101000000110000100
3111101012020211112001101110012
4113030132011233220012010
5101332331100044231040
61000543401004445352
730326060520630026
oct2714360557500604
9441166745041405
10102012012102020
112a560062424aa9
12b536740549858
1344bc8cb1bb397
141b2959cb50016
15bbd87710d865
hex5cc785be8184

102012012102020 has 24 divisors (see below), whose sum is σ = 214228873462464. Its totient is φ = 40804109974496.

The previous prime is 102012012101947. The next prime is 102012012102037. The reversal of 102012012102020 is 20201210210201.

It is a super-2 number, since 2×1020120121020202 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102012012101986 and 102012012102004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42224504 + ... + 44575023.

It is an arithmetic number, because the mean of its divisors is an integer number (8926203060936).

Almost surely, 2102012012102020 is an apocalyptic number.

102012012102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102012012102020 is an abundant number, since it is smaller than the sum of its proper divisors (112216861360444).

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

102012012102020 is a wasteful number, since it uses less digits than its factorization.

102012012102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86858299 (or 86858297 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102012012102020 its reverse (20201210210201), we get a palindrome (122213222312221).

The spelling of 102012012102020 in words is "one hundred two trillion, twelve billion, twelve million, one hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 58763 117526 235052 293815 587630 1175260 86799527 173599054 347198108 433997635 867995270 1735990540 5100600605101 10201201210202 20402402420404 25503003025505 51006006051010 102012012102020