1222152991357 has 2 divisors, whose sum is σ = 1222152991358. Its totient is φ = 1222152991356.

The previous prime is 1222152991349. The next prime is 1222152991459. The reversal of 1222152991357 is 7531992512221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 898967563321 + 323185428036 = 948139^2 + 568494^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222152991357 - 2³ = 1222152991349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222152991357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222152994357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611076495678 + 611076495679.

It is an arithmetic number, because the mean of its divisors is an integer number (611076495679).

Almost surely, 2^{1222152991357} is an apocalyptic number.

It is an amenable number.

1222152991357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222152991357 is an equidigital number, since it uses as much as digits as its factorization.

1222152991357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 49.

The spelling of 1222152991357 in words is "one trillion, two hundred twenty-two billion, one hundred fifty-two million, nine hundred ninety-one thousand, three hundred fifty-seven".