1212100201204 has 12 divisors (see below), whose sum is σ = 2213400367584. Its totient is φ = 579700096184.

The previous prime is 1212100201199. The next prime is 1212100201231. The reversal of 1212100201204 is 4021020012121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6587501002 + ... + 6587501185.

It is an arithmetic number, because the mean of its divisors is an integer number (184450030632).

Almost surely, 2^{1212100201204} is an apocalyptic number.

It is an amenable number.

1212100201204 is a deficient number, since it is larger than the sum of its proper divisors (1001300166380).

1212100201204 is a wasteful number, since it uses less digits than its factorization.

1212100201204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13175002214 (or 13175002212 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1212100201204 its reverse (4021020012121), we get a palindrome (5233120213325).

The spelling of 1212100201204 in words is "one trillion, two hundred twelve billion, one hundred million, two hundred one thousand, two hundred four".