212010123030 has 32 divisors (see below), whose sum is σ = 508842259200. Its totient is φ = 56534036832.

The previous prime is 212010123023. The next prime is 212010123067. The reversal of 212010123030 is 30321010212.

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 15 ways as a sum of consecutive naturals, for example, 868911 + ... + 1085829.

It is an arithmetic number, because the mean of its divisors is an integer number (15901320600).

Almost surely, 2^212010123030 is an apocalyptic number.

212010123030 is an abundant number, since it is smaller than the sum of its proper divisors (296832136170).

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

212010123030 is a wasteful number, since it uses less digits than its factorization.

212010123030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249508.

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

Adding to 212010123030 its reverse (30321010212), we get a palindrome (242331133242).

The spelling of 212010123030 in words is "two hundred twelve billion, ten million, one hundred twenty-three thousand, thirty".