101520420612 has 36 divisors (see below), whose sum is σ = 256504263120. Its totient is φ = 31237051872.

The previous prime is 101520420607. The next prime is 101520420623. The reversal of 101520420612 is 216024025101.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25027662 + ... + 25031717.

It is an arithmetic number, because the mean of its divisors is an integer number (7125118420).

Almost surely, 2^101520420612 is an apocalyptic number.

101520420612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101520420612 is an abundant number, since it is smaller than the sum of its proper divisors (154983842508).

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

101520420612 is a wasteful number, since it uses less digits than its factorization.

101520420612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50059412 (or 50059397 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 101520420612 its reverse (216024025101), we get a palindrome (317544445713).

The spelling of 101520420612 in words is "one hundred one billion, five hundred twenty million, four hundred twenty thousand, six hundred twelve".