212120030204 has 48 divisors (see below), whose sum is σ = 399222942720. Its totient is φ = 98300226240.

The previous prime is 212120030179. The next prime is 212120030249. The reversal of 212120030204 is 402030021212.

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, 9958814 + ... + 9980090.

It is an arithmetic number, because the mean of its divisors is an integer number (8317144640).

Almost surely, 2^212120030204 is an apocalyptic number.

It is an amenable number.

212120030204 is a deficient number, since it is larger than the sum of its proper divisors (187102912516).

212120030204 is a wasteful number, since it uses less digits than its factorization.

212120030204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24138 (or 24136 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 212120030204 its reverse (402030021212), we get a palindrome (614150051416).

The spelling of 212120030204 in words is "two hundred twelve billion, one hundred twenty million, thirty thousand, two hundred four".