1230421052664 has 24 divisors (see below), whose sum is σ = 3332390351160. Its totient is φ = 410140350864.

The previous prime is 1230421052639. The next prime is 1230421052699. The reversal of 1230421052664 is 4662501240321.

1230421052664 is a `hidden beast` number, since 1 + 2 + 30 + 42 + 1 + 0 + 526 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1230421052664² (a number of 25 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 an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8544590572 + ... + 8544590715.

It is an arithmetic number, because the mean of its divisors is an integer number (138849597965).

Almost surely, 2^{1230421052664} is an apocalyptic number.

It is an amenable number.

1230421052664 is an abundant number, since it is smaller than the sum of its proper divisors (2101969298496).

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

1230421052664 is a wasteful number, since it uses less digits than its factorization.

1230421052664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17089181299 (or 17089181292 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 1230421052664 its reverse (4662501240321), we get a palindrome (5892922292985).

The spelling of 1230421052664 in words is "one trillion, two hundred thirty billion, four hundred twenty-one million, fifty-two thousand, six hundred sixty-four".