212030023134 has 128 divisors (see below), whose sum is σ = 476264448000. Its totient is φ = 62580672000.

The previous prime is 212030023129. The next prime is 212030023141. The reversal of 212030023134 is 431320030212.

It is a self number, because there is not a number n which added to its sum of digits gives 212030023134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 83115159 + ... + 83117709.

It is an arithmetic number, because the mean of its divisors is an integer number (3720816000).

Almost surely, 2^212030023134 is an apocalyptic number.

212030023134 is an abundant number, since it is smaller than the sum of its proper divisors (264234424866).

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

212030023134 is a wasteful number, since it uses less digits than its factorization.

212030023134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212030023134 its reverse (431320030212), we get a palindrome (643350053346).

The spelling of 212030023134 in words is "two hundred twelve billion, thirty million, twenty-three thousand, one hundred thirty-four".