20200012001251 has 2 divisors, whose sum is σ = 20200012001252. Its totient is φ = 20200012001250.

The previous prime is 20200012001243. The next prime is 20200012001261. The reversal of 20200012001251 is 15210021000202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20200012001251 - 2³ = 20200012001243 is a prime.

It is a super-3 number, since 3×20200012001251³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (20200012001261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100006000625 + 10100006000626.

It is an arithmetic number, because the mean of its divisors is an integer number (10100006000626).

Almost surely, 2^{20200012001251} is an apocalyptic number.

20200012001251 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200012001251 is an equidigital number, since it uses as much as digits as its factorization.

20200012001251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 20200012001251 its reverse (15210021000202), we get a palindrome (35410033001453).

The spelling of 20200012001251 in words is "twenty trillion, two hundred billion, twelve million, one thousand, two hundred fifty-one".