1200931521253 has 2 divisors, whose sum is σ = 1200931521254. Its totient is φ = 1200931521252.

The previous prime is 1200931521227. The next prime is 1200931521277. The reversal of 1200931521253 is 3521251390021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1186753141924 + 14178379329 = 1089382^2 + 119073^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200931521253 - 2¹⁷ = 1200931390181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200931521353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600465760626 + 600465760627.

It is an arithmetic number, because the mean of its divisors is an integer number (600465760627).

Almost surely, 2^{1200931521253} is an apocalyptic number.

It is an amenable number.

1200931521253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200931521253 is an equidigital number, since it uses as much as digits as its factorization.

1200931521253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 1200931521253 in words is "one trillion, two hundred billion, nine hundred thirty-one million, five hundred twenty-one thousand, two hundred fifty-three".