12020001251 has 2 divisors, whose sum is σ = 12020001252. Its totient is φ = 12020001250.

The previous prime is 12020001221. The next prime is 12020001271. The reversal of 12020001251 is 15210002021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12020001251 - 2⁶ = 12020001187 is a prime.

It is not a weakly prime, because it can be changed into another prime (12020001221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010000625 + 6010000626.

It is an arithmetic number, because the mean of its divisors is an integer number (6010000626).

Almost surely, 2^12020001251 is an apocalyptic number.

12020001251 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020001251 is an equidigital number, since it uses as much as digits as its factorization.

12020001251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 14.

Adding to 12020001251 its reverse (15210002021), we get a palindrome (27230003272).

The spelling of 12020001251 in words is "twelve billion, twenty million, one thousand, two hundred fifty-one".