12261650464360 has 192 divisors, whose sum is σ = 31996102144320. Its totient is φ = 4193268894720.

The previous prime is 12261650464307. The next prime is 12261650464367. The reversal of 12261650464360 is 6346405616221.

It is a super-2 number, since 2×12261650464360² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12261650464360.

It is not an unprimeable number, because it can be changed into a prime (12261650464367) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21479347 + ... + 22042813.

It is an arithmetic number, because the mean of its divisors is an integer number (166646365335).

Almost surely, 2^{12261650464360} is an apocalyptic number.

12261650464360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12261650464360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15998051072160).

12261650464360 is an abundant number, since it is smaller than the sum of its proper divisors (19734451679960).

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

12261650464360 is a wasteful number, since it uses less digits than its factorization.

12261650464360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563664 (or 563641 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 12261650464360 in words is "twelve trillion, two hundred sixty-one billion, six hundred fifty million, four hundred sixty-four thousand, three hundred sixty".