202112012200051 has 2 divisors, whose sum is σ = 202112012200052. Its totient is φ = 202112012200050.

The previous prime is 202112012200037. The next prime is 202112012200121. The reversal of 202112012200051 is 150002210211202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202112012200051 is a prime.

It is not a weakly prime, because it can be changed into another prime (202112012200001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101056006100025 + 101056006100026.

It is an arithmetic number, because the mean of its divisors is an integer number (101056006100026).

Almost surely, 2^{202112012200051} is an apocalyptic number.

202112012200051 is a deficient number, since it is larger than the sum of its proper divisors (1).

202112012200051 is an equidigital number, since it uses as much as digits as its factorization.

202112012200051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 202112012200051 its reverse (150002210211202), we get a palindrome (352114222411253).

The spelling of 202112012200051 in words is "two hundred two trillion, one hundred twelve billion, twelve million, two hundred thousand, fifty-one".