101512132620 has 48 divisors (see below), whose sum is σ = 287048186208. Its totient is φ = 26801881600.

The previous prime is 101512132577. The next prime is 101512132681. The reversal of 101512132620 is 26231215101.

It is a happy 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, 8369529 + ... + 8381648.

It is an arithmetic number, because the mean of its divisors is an integer number (5980170546).

Almost surely, 2^101512132620 is an apocalyptic number.

101512132620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101512132620 is an abundant number, since it is smaller than the sum of its proper divisors (185536053588).

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

101512132620 is a wasteful number, since it uses less digits than its factorization.

101512132620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16751290 (or 16751288 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 101512132620 its reverse (26231215101), we get a palindrome (127743347721).

The spelling of 101512132620 in words is "one hundred one billion, five hundred twelve million, one hundred thirty-two thousand, six hundred twenty".