204213111412 has 24 divisors (see below), whose sum is σ = 371070541800. Its totient is φ = 98219135616.

The previous prime is 204213111341. The next prime is 204213111451. The reversal of 204213111412 is 214111312402.

It can be written as a sum of positive squares in 4 ways, for example, as 50716841616 + 153496269796 = 225204^2 + 391786^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3241023 + ... + 3303430.

It is an arithmetic number, because the mean of its divisors is an integer number (15461272575).

Almost surely, 2^204213111412 is an apocalyptic number.

It is an amenable number.

204213111412 is a deficient number, since it is larger than the sum of its proper divisors (166857430388).

204213111412 is a wasteful number, since it uses less digits than its factorization.

204213111412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6544755 (or 6544753 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 204213111412 its reverse (214111312402), we get a palindrome (418324423814).

The spelling of 204213111412 in words is "two hundred four billion, two hundred thirteen million, one hundred eleven thousand, four hundred twelve".