1230221321562 has 8 divisors (see below), whose sum is σ = 2460442643136. Its totient is φ = 410073773852.

The previous prime is 1230221321551. The next prime is 1230221321599. The reversal of 1230221321562 is 2651231220321.

It is a sphenic number, since it is the product of 3 distinct primes.

1230221321562 is an admirable number.

It is a super-2 number, since 2×1230221321562² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102518443458 + ... + 102518443469.

It is an arithmetic number, because the mean of its divisors is an integer number (307555330392).

Almost surely, 2^{1230221321562} is an apocalyptic number.

1230221321562 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1230221321562 is a wasteful number, since it uses less digits than its factorization.

1230221321562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205036886932.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 1230221321562 its reverse (2651231220321), we get a palindrome (3881452541883).

The spelling of 1230221321562 in words is "one trillion, two hundred thirty billion, two hundred twenty-one million, three hundred twenty-one thousand, five hundred sixty-two".