1212210101204 has 24 divisors (see below), whose sum is σ = 2127667745280. Its totient is φ = 604306939104.

The previous prime is 1212210101191. The next prime is 1212210101279. The reversal of 1212210101204 is 4021010122121.

It is a super-2 number, since 2×1212210101204² (a number of 25 digits) contains 22 as substring.

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, 2313917 + ... + 2789019.

It is an arithmetic number, because the mean of its divisors is an integer number (88652822720).

Almost surely, 2^{1212210101204} is an apocalyptic number.

It is an amenable number.

1212210101204 is a deficient number, since it is larger than the sum of its proper divisors (915457644076).

1212210101204 is a wasteful number, since it uses less digits than its factorization.

1212210101204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476999 (or 476997 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1212210101204 its reverse (4021010122121), we get a palindrome (5233220223325).

The spelling of 1212210101204 in words is "one trillion, two hundred twelve billion, two hundred ten million, one hundred one thousand, two hundred four".