1214641303656 has 64 divisors (see below), whose sum is σ = 3329304768000. Its totient is φ = 366223492800.

The previous prime is 1214641303639. The next prime is 1214641303663. The reversal of 1214641303656 is 6563031464121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11507550 + ... + 11612621.

It is an arithmetic number, because the mean of its divisors is an integer number (52020387000).

Almost surely, 2^{1214641303656} is an apocalyptic number.

It is an amenable number.

1214641303656 is an abundant number, since it is smaller than the sum of its proper divisors (2114663464344).

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

1214641303656 is a wasteful number, since it uses less digits than its factorization.

1214641303656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23120390 (or 23120386 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

Adding to 1214641303656 its reverse (6563031464121), we get a palindrome (7777672767777).

The spelling of 1214641303656 in words is "one trillion, two hundred fourteen billion, six hundred forty-one million, three hundred three thousand, six hundred fifty-six".