1961296012 has 12 divisors (see below), whose sum is σ = 3696288736. Its totient is φ = 905213520.

The previous prime is 1961295979. The next prime is 1961296021. The reversal of 1961296012 is 2106921691.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18858564 + ... + 18858667.

Almost surely, 2^1961296012 is an apocalyptic number.

It is an amenable number.

1961296012 is a deficient number, since it is larger than the sum of its proper divisors (1734992724).

1961296012 is a wasteful number, since it uses less digits than its factorization.

1961296012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37717248 (or 37717246 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 1961296012 is about 44286.5217871081. The cubic root of 1961296012 is about 1251.7407240054.

The spelling of 1961296012 in words is "one billion, nine hundred sixty-one million, two hundred ninety-six thousand, twelve".