20121200011210 has 32 divisors (see below), whose sum is σ = 36248704450560. Its totient is φ = 8041694431488.

The previous prime is 20121200011163. The next prime is 20121200011313. The reversal of 20121200011210 is 1211000212102.

It is a super-2 number, since 2×20121200011210² (a number of 27 digits) contains 22 as substring.

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, 79371519 + ... + 79624621.

It is an arithmetic number, because the mean of its divisors is an integer number (1132772014080).

Almost surely, 2^{20121200011210} is an apocalyptic number.

20121200011210 is a deficient number, since it is larger than the sum of its proper divisors (16127504439350).

20121200011210 is a wasteful number, since it uses less digits than its factorization.

20121200011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259782.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20121200011210 its reverse (1211000212102), we get a palindrome (21332200223312).

The spelling of 20121200011210 in words is "twenty trillion, one hundred twenty-one billion, two hundred million, eleven thousand, two hundred ten".