102985279572 has 24 divisors (see below), whose sum is σ = 274627412416. Its totient is φ = 29424365568.

The previous prime is 102985279571. The next prime is 102985279633. The reversal of 102985279572 is 275972589201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102985279571) 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, 613007533 + ... + 613007700.

Almost surely, 2^102985279572 is an apocalyptic number.

102985279572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102985279572 is an abundant number, since it is smaller than the sum of its proper divisors (171642132844).

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

102985279572 is a wasteful number, since it uses less digits than its factorization.

102985279572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226015247 (or 1226015245 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 57.

The spelling of 102985279572 in words is "one hundred two billion, nine hundred eighty-five million, two hundred seventy-nine thousand, five hundred seventy-two".