61205652006012 has 36 divisors (see below), whose sum is σ = 154716191306040. Its totient is φ = 20401632886752.

The previous prime is 61205652005999. The next prime is 61205652006013. The reversal of 61205652006012 is 21060025650216.

61205652006012 is a `hidden beast` number, since 6 + 1 + 2 + 0 + 565 + 20 + 0 + 60 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×61205652006012² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61205652006013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7486087 + ... + 13358622.

Almost surely, 2^{61205652006012} is an apocalyptic number.

It is an amenable number.

61205652006012 is an abundant number, since it is smaller than the sum of its proper divisors (93510539300028).

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

61205652006012 is a wasteful number, since it uses less digits than its factorization.

61205652006012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20926282 (or 20926277 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Adding to 61205652006012 its reverse (21060025650216), we get a palindrome (82265677656228).

The spelling of 61205652006012 in words is "sixty-one trillion, two hundred five billion, six hundred fifty-two million, six thousand, twelve".