20121200002210 has 32 divisors (see below), whose sum is σ = 38348867162880. Its totient is φ = 7574995130112.

The previous prime is 20121200002199. The next prime is 20121200002223. The reversal of 20121200002210 is 1220000212102.

It is a happy number.

It is a super-3 number, since 3×20121200002210³ (a number of 41 digits) contains 333 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, 47946471 + ... + 48364309.

It is an arithmetic number, because the mean of its divisors is an integer number (1198402098840).

Almost surely, 2^{20121200002210} is an apocalyptic number.

20121200002210 is a deficient number, since it is larger than the sum of its proper divisors (18227667160670).

20121200002210 is a wasteful number, since it uses less digits than its factorization.

20121200002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701130.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20121200002210 its reverse (1220000212102), we get a palindrome (21341200214312).

The spelling of 20121200002210 in words is "twenty trillion, one hundred twenty-one billion, two hundred million, two thousand, two hundred ten".