12090078031 has 2 divisors, whose sum is σ = 12090078032. Its totient is φ = 12090078030.

The previous prime is 12090078017. The next prime is 12090078127. The reversal of 12090078031 is 13087009021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12090078031 - 2¹¹ = 12090075983 is a prime.

It is a super-2 number, since 2×12090078031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12090077984 and 12090078002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12090078001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6045039015 + 6045039016.

It is an arithmetic number, because the mean of its divisors is an integer number (6045039016).

Almost surely, 2^12090078031 is an apocalyptic number.

12090078031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12090078031 is an equidigital number, since it uses as much as digits as its factorization.

12090078031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 12090078031 in words is "twelve billion, ninety million, seventy-eight thousand, thirty-one".