20120201001212 has 48 divisors (see below), whose sum is σ = 38023646855040. Its totient is φ = 9260583856128.

The previous prime is 20120201001209. The next prime is 20120201001253. The reversal of 20120201001212 is 21210010202102.

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, 282040364 + ... + 282111692.

It is an arithmetic number, because the mean of its divisors is an integer number (792159309480).

Almost surely, 2^{20120201001212} is an apocalyptic number.

It is an amenable number.

20120201001212 is a deficient number, since it is larger than the sum of its proper divisors (17903445853828).

20120201001212 is a wasteful number, since it uses less digits than its factorization.

20120201001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86262 (or 86260 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20120201001212 its reverse (21210010202102), we get a palindrome (41330211203314).

The spelling of 20120201001212 in words is "twenty trillion, one hundred twenty billion, two hundred one million, one thousand, two hundred twelve".