1222112210951 has 2 divisors, whose sum is σ = 1222112210952. Its totient is φ = 1222112210950.

The previous prime is 1222112210923. The next prime is 1222112210989. The reversal of 1222112210951 is 1590122112221.

It is a weak prime.

It is an emirp because it is prime and its reverse (1590122112221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222112210951 - 2²⁶ = 1222045102087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222112210551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611056105475 + 611056105476.

It is an arithmetic number, because the mean of its divisors is an integer number (611056105476).

Almost surely, 2^{1222112210951} is an apocalyptic number.

1222112210951 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222112210951 is an equidigital number, since it uses as much as digits as its factorization.

1222112210951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 29.

The spelling of 1222112210951 in words is "one trillion, two hundred twenty-two billion, one hundred twelve million, two hundred ten thousand, nine hundred fifty-one".