61260244212 has 48 divisors (see below), whose sum is σ = 147924608832. Its totient is φ = 19716503040.

The previous prime is 61260244207. The next prime is 61260244231. The reversal of 61260244212 is 21244206216.

It is a self number, because there is not a number n which added to its sum of digits gives 61260244212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468453 + ... + 584780.

It is an arithmetic number, because the mean of its divisors is an integer number (3081762684).

Almost surely, 2^61260244212 is an apocalyptic number.

It is an amenable number.

61260244212 is an abundant number, since it is smaller than the sum of its proper divisors (86664364620).

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

61260244212 is a wasteful number, since it uses less digits than its factorization.

61260244212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053408 (or 1053406 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 61260244212 in words is "sixty-one billion, two hundred sixty million, two hundred forty-four thousand, two hundred twelve".