64361501261212 has 6 divisors (see below), whose sum is σ = 112632627207128. Its totient is φ = 32180750630604.

The previous prime is 64361501261177. The next prime is 64361501261221. The reversal of 64361501261212 is 21216210516346.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8045187657648 + ... + 8045187657655.

Almost surely, 2^{64361501261212} is an apocalyptic number.

It is an amenable number.

64361501261212 is a deficient number, since it is larger than the sum of its proper divisors (48271125945916).

64361501261212 is a wasteful number, since it uses less digits than its factorization.

64361501261212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16090375315307 (or 16090375315305 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

Adding to 64361501261212 its reverse (21216210516346), we get a palindrome (85577711777558).

The spelling of 64361501261212 in words is "sixty-four trillion, three hundred sixty-one billion, five hundred one million, two hundred sixty-one thousand, two hundred twelve".