32112019987 has 2 divisors, whose sum is σ = 32112019988. Its totient is φ = 32112019986.

The previous prime is 32112019903. The next prime is 32112020011. The reversal of 32112019987 is 78991021123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32112019987 - 2³¹ = 29964536339 is a prime.

It is not a weakly prime, because it can be changed into another prime (32112019787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16056009993 + 16056009994.

It is an arithmetic number, because the mean of its divisors is an integer number (16056009994).

Almost surely, 2^32112019987 is an apocalyptic number.

32112019987 is a deficient number, since it is larger than the sum of its proper divisors (1).

32112019987 is an equidigital number, since it uses as much as digits as its factorization.

32112019987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 43.

The spelling of 32112019987 in words is "thirty-two billion, one hundred twelve million, nineteen thousand, nine hundred eighty-seven".