102012012652340 has 48 divisors (see below), whose sum is σ = 248482992035712. Its totient is φ = 34453524099456.

The previous prime is 102012012652337. The next prime is 102012012652379. The reversal of 102012012652340 is 43256210210201.

It is a super-4 number, since 4×102012012652340⁴ (a number of 57 digits) contains 4444 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, 5437731167 + ... + 5437749926.

It is an arithmetic number, because the mean of its divisors is an integer number (5176729000744).

Almost surely, 2^{102012012652340} is an apocalyptic number.

102012012652340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102012012652340 is an abundant number, since it is smaller than the sum of its proper divisors (146470979383372).

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

102012012652340 is a wasteful number, since it uses less digits than its factorization.

102012012652340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10875481176 (or 10875481174 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 102012012652340 its reverse (43256210210201), we get a palindrome (145268222862541).

The spelling of 102012012652340 in words is "one hundred two trillion, twelve billion, twelve million, six hundred fifty-two thousand, three hundred forty".