106390804612 has 12 divisors (see below), whose sum is σ = 186778747036. Its totient is φ = 53025448320.

The previous prime is 106390804607. The next prime is 106390804621. The reversal of 106390804612 is 216408093601.

It can be written as a sum of positive squares in 2 ways, for example, as 55082212416 + 51308592196 = 234696^2 + 226514^2 .

It is a super-2 number, since 2×106390804612² (a number of 23 digits) contains 22 as substring.

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, 42487089 + ... + 42489592.

Almost surely, 2^106390804612 is an apocalyptic number.

It is an amenable number.

106390804612 is a deficient number, since it is larger than the sum of its proper divisors (80387942424).

106390804612 is a wasteful number, since it uses less digits than its factorization.

106390804612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84976998 (or 84976996 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 106390804612 in words is "one hundred six billion, three hundred ninety million, eight hundred four thousand, six hundred twelve".