20122000021210 has 16 divisors (see below), whose sum is σ = 36243859676616. Its totient is φ = 8043408977728.

The previous prime is 20122000021177. The next prime is 20122000021297. The reversal of 20122000021210 is 1212000022102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20075068431441 + 46931589769 = 4480521^2 + 216637^2 .

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, 673863169 + ... + 673893028.

Almost surely, 2^{20122000021210} is an apocalyptic number.

20122000021210 is a deficient number, since it is larger than the sum of its proper divisors (16121859655406).

20122000021210 is a wasteful number, since it uses less digits than its factorization.

20122000021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347757697.

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

Adding to 20122000021210 its reverse (1212000022102), we get a palindrome (21334000043312).

The spelling of 20122000021210 in words is "twenty trillion, one hundred twenty-two billion, twenty-one thousand, two hundred ten".