170402012 has 12 divisors (see below), whose sum is σ = 325313016. Its totient is φ = 77455440.

The previous prime is 170402003. The next prime is 170402021. The reversal of 170402012 is 210204071.

It is an interprime number because it is at equal distance from previous prime (170402003) and next prime (170402021).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1936343 + ... + 1936430.

It is an arithmetic number, because the mean of its divisors is an integer number (27109418).

Almost surely, 2^170402012 is an apocalyptic number.

It is an amenable number.

170402012 is a deficient number, since it is larger than the sum of its proper divisors (154911004).

170402012 is a wasteful number, since it uses less digits than its factorization.

170402012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3872788 (or 3872786 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 170402012 is about 13053.8121635023. The cubic root of 170402012 is about 554.4021503692.

Adding to 170402012 its reverse (210204071), we get a palindrome (380606083).

The spelling of 170402012 in words is "one hundred seventy million, four hundred two thousand, twelve".