61212672001 has 32 divisors (see below), whose sum is σ = 69835207680. Its totient is φ = 53188358400.

The previous prime is 61212671999. The next prime is 61212672043. The reversal of 61212672001 is 10027621216.

It is a cyclic number.

It is not a de Polignac number, because 61212672001 - 2¹ = 61212671999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61212672071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51830631 + ... + 51831811.

It is an arithmetic number, because the mean of its divisors is an integer number (2182350240).

Almost surely, 2^61212672001 is an apocalyptic number.

It is an amenable number.

61212672001 is a deficient number, since it is larger than the sum of its proper divisors (8622535679).

61212672001 is a wasteful number, since it uses less digits than its factorization.

61212672001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377.

The product of its (nonzero) digits is 2016, while the sum is 28.

The spelling of 61212672001 in words is "sixty-one billion, two hundred twelve million, six hundred seventy-two thousand, one".