102512655224340 has 24 divisors (see below), whose sum is σ = 287035434628320. Its totient is φ = 27336708059808.

The previous prime is 102512655224303. The next prime is 102512655224341. The reversal of 102512655224340 is 43422556215201.

It is a super-2 number, since 2×102512655224340² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102512655224292 and 102512655224301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102512655224341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854272126810 + ... + 854272126929.

It is an arithmetic number, because the mean of its divisors is an integer number (11959809776180).

Almost surely, 2^{102512655224340} is an apocalyptic number.

102512655224340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102512655224340 is an abundant number, since it is smaller than the sum of its proper divisors (184522779403980).

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

102512655224340 is a wasteful number, since it uses less digits than its factorization.

102512655224340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708544253751 (or 1708544253749 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 102512655224340 in words is "one hundred two trillion, five hundred twelve billion, six hundred fifty-five million, two hundred twenty-four thousand, three hundred forty".