1962612496121 has 2 divisors, whose sum is σ = 1962612496122. Its totient is φ = 1962612496120.

The previous prime is 1962612496069. The next prime is 1962612496157. The reversal of 1962612496121 is 1216942162691.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1960940912896 + 1671583225 = 1400336^2 + 40885^2 .

It is a cyclic number.

It is not a de Polignac number, because 1962612496121 - 2⁶ = 1962612496057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1962612496121.

It is not a weakly prime, because it can be changed into another prime (1962612490121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 981306248060 + 981306248061.

It is an arithmetic number, because the mean of its divisors is an integer number (981306248061).

Almost surely, 2^{1962612496121} is an apocalyptic number.

It is an amenable number.

1962612496121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1962612496121 is an equidigital number, since it uses as much as digits as its factorization.

1962612496121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 50.

The spelling of 1962612496121 in words is "one trillion, nine hundred sixty-two billion, six hundred twelve million, four hundred ninety-six thousand, one hundred twenty-one".