212021013030 has 64 divisors (see below), whose sum is σ = 509791589568. Its totient is φ = 56434475520.

The previous prime is 212021012911. The next prime is 212021013059. The reversal of 212021013030 is 30310120212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48481924 + ... + 48486296.

It is an arithmetic number, because the mean of its divisors is an integer number (7965493587).

Almost surely, 2^212021013030 is an apocalyptic number.

212021013030 is an abundant number, since it is smaller than the sum of its proper divisors (297770576538).

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

212021013030 is a wasteful number, since it uses less digits than its factorization.

212021013030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7001.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 212021013030 its reverse (30310120212), we get a palindrome (242331133242).

The spelling of 212021013030 in words is "two hundred twelve billion, twenty-one million, thirteen thousand, thirty".