1012002029971 has 2 divisors, whose sum is σ = 1012002029972. Its totient is φ = 1012002029970.

The previous prime is 1012002029933. The next prime is 1012002030019. The reversal of 1012002029971 is 1799202002101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012002029971 - 2²⁷ = 1011867812243 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012002029921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506001014985 + 506001014986.

It is an arithmetic number, because the mean of its divisors is an integer number (506001014986).

Almost surely, 2^{1012002029971} is an apocalyptic number.

1012002029971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012002029971 is an equidigital number, since it uses as much as digits as its factorization.

1012002029971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 34.

The spelling of 1012002029971 in words is "one trillion, twelve billion, two million, twenty-nine thousand, nine hundred seventy-one".