1221514360052 has 24 divisors (see below), whose sum is σ = 2502614788800. Its totient is φ = 510737711040.

The previous prime is 1221514360043. The next prime is 1221514360061. The reversal of 1221514360052 is 2500634151221.

It is an interprime number because it is at equal distance from previous prime (1221514360043) and next prime (1221514360061).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532017302 + ... + 532019597.

It is an arithmetic number, because the mean of its divisors is an integer number (104275616200).

Almost surely, 2^{1221514360052} is an apocalyptic number.

It is an amenable number.

1221514360052 is an abundant number, since it is smaller than the sum of its proper divisors (1281100428748).

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

1221514360052 is a wasteful number, since it uses less digits than its factorization.

1221514360052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064036951 (or 1064036949 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 1221514360052 in words is "one trillion, two hundred twenty-one billion, five hundred fourteen million, three hundred sixty thousand, fifty-two".