213012000030 has 32 divisors (see below), whose sum is σ = 513074411424. Its totient is φ = 56598132096.

The previous prime is 213012000013. The next prime is 213012000031. The reversal of 213012000030 is 30000210312.

It is a happy number.

It is a super-2 number, since 2×213012000030² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213012000031) 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, 12808297 + ... + 12824916.

It is an arithmetic number, because the mean of its divisors is an integer number (16033575357).

Almost surely, 2^213012000030 is an apocalyptic number.

213012000030 is an abundant number, since it is smaller than the sum of its proper divisors (300062411394).

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

213012000030 is a wasteful number, since it uses less digits than its factorization.

213012000030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25633500.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 213012000030 its reverse (30000210312), we get a palindrome (243012210342).

The spelling of 213012000030 in words is "two hundred thirteen billion, twelve million, thirty", and thus it is an aban number.