101212162620 has 48 divisors (see below), whose sum is σ = 286199954208. Its totient is φ = 26722681600.

The previous prime is 101212162577. The next prime is 101212162627. The reversal of 101212162620 is 26261212101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212162627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8344779 + ... + 8356898.

It is an arithmetic number, because the mean of its divisors is an integer number (5962499046).

Almost surely, 2^101212162620 is an apocalyptic number.

101212162620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101212162620 is an abundant number, since it is smaller than the sum of its proper divisors (184987791588).

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

101212162620 is a wasteful number, since it uses less digits than its factorization.

101212162620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16701790 (or 16701788 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 101212162620 its reverse (26261212101), we get a palindrome (127473374721).

The spelling of 101212162620 in words is "one hundred one billion, two hundred twelve million, one hundred sixty-two thousand, six hundred twenty".