201012120121231 has 2 divisors, whose sum is σ = 201012120121232. Its totient is φ = 201012120121230.

The previous prime is 201012120121199. The next prime is 201012120121237. The reversal of 201012120121231 is 132121021210102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201012120121231 - 2⁵ = 201012120121199 is a prime.

It is a super-2 number, since 2×201012120121231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201012120121199 and 201012120121208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201012120121237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100506060060615 + 100506060060616.

It is an arithmetic number, because the mean of its divisors is an integer number (100506060060616).

Almost surely, 2^{201012120121231} is an apocalyptic number.

201012120121231 is a deficient number, since it is larger than the sum of its proper divisors (1).

201012120121231 is an equidigital number, since it uses as much as digits as its factorization.

201012120121231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 201012120121231 its reverse (132121021210102), we get a palindrome (333133141331333).

The spelling of 201012120121231 in words is "two hundred one trillion, twelve billion, one hundred twenty million, one hundred twenty-one thousand, two hundred thirty-one".