1222311412139 has 2 divisors, whose sum is σ = 1222311412140. Its totient is φ = 1222311412138.

The previous prime is 1222311412123. The next prime is 1222311412159. The reversal of 1222311412139 is 9312141132221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222311412139 - 2⁴ = 1222311412123 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222311412109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611155706069 + 611155706070.

It is an arithmetic number, because the mean of its divisors is an integer number (611155706070).

Almost surely, 2^{1222311412139} is an apocalyptic number.

1222311412139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222311412139 is an equidigital number, since it uses as much as digits as its factorization.

1222311412139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 32.

The spelling of 1222311412139 in words is "one trillion, two hundred twenty-two billion, three hundred eleven million, four hundred twelve thousand, one hundred thirty-nine".