61233712712472 has 16 divisors (see below), whose sum is σ = 153084281781240. Its totient is φ = 20411237570816.

The previous prime is 61233712712399. The next prime is 61233712712509. The reversal of 61233712712472 is 27421721733216.

It is a happy number.

61233712712472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275702348153 + ... + 1275702348200.

Almost surely, 2^{61233712712472} is an apocalyptic number.

It is an amenable number.

61233712712472 is an abundant number, since it is smaller than the sum of its proper divisors (91850569068768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61233712712472 is a wasteful number, since it uses less digits than its factorization.

61233712712472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551404696362 (or 2551404696358 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 48.

The spelling of 61233712712472 in words is "sixty-one trillion, two hundred thirty-three billion, seven hundred twelve million, seven hundred twelve thousand, four hundred seventy-two".