1220133321124 has 6 divisors (see below), whose sum is σ = 2135233311974. Its totient is φ = 610066660560.

The previous prime is 1220133321109. The next prime is 1220133321131. The reversal of 1220133321124 is 4211233310221.

It can be written as a sum of positive squares in only one way, i.e., 615098255524 + 605035065600 = 784282^2 + 777840^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152516665137 + ... + 152516665144.

Almost surely, 2^{1220133321124} is an apocalyptic number.

It is an amenable number.

1220133321124 is a deficient number, since it is larger than the sum of its proper divisors (915099990850).

1220133321124 is a wasteful number, since it uses less digits than its factorization.

1220133321124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305033330285 (or 305033330283 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1220133321124 its reverse (4211233310221), we get a palindrome (5431366631345).

The spelling of 1220133321124 in words is "one trillion, two hundred twenty billion, one hundred thirty-three million, three hundred twenty-one thousand, one hundred twenty-four".