61296190012 has 24 divisors (see below), whose sum is σ = 117242052480. Its totient is φ = 27914772480.

The previous prime is 61296189989. The next prime is 61296190019. The reversal of 61296190012 is 21009169216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61296190019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14536837 + ... + 14541052.

It is an arithmetic number, because the mean of its divisors is an integer number (4885085520).

Almost surely, 2^61296190012 is an apocalyptic number.

61296190012 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

61296190012 is a deficient number, since it is larger than the sum of its proper divisors (55945862468).

61296190012 is a wasteful number, since it uses less digits than its factorization.

61296190012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29077941 (or 29077939 counting only the distinct ones).

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

The spelling of 61296190012 in words is "sixty-one billion, two hundred ninety-six million, one hundred ninety thousand, twelve".