1220130323312 has 20 divisors (see below), whose sum is σ = 2370079640760. Its totient is φ = 608496867648.

The previous prime is 1220130323299. The next prime is 1220130323329. The reversal of 1220130323312 is 2133230310221.

It is a congruent number.

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, 98011958 + ... + 98024405.

It is an arithmetic number, because the mean of its divisors is an integer number (118503982038).

Almost surely, 2^{1220130323312} is an apocalyptic number.

It is an amenable number.

1220130323312 is a deficient number, since it is larger than the sum of its proper divisors (1149949317448).

1220130323312 is a wasteful number, since it uses less digits than its factorization.

1220130323312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196036760 (or 196036754 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1220130323312 its reverse (2133230310221), we get a palindrome (3353360633533).

The spelling of 1220130323312 in words is "one trillion, two hundred twenty billion, one hundred thirty million, three hundred twenty-three thousand, three hundred twelve".