1213222201120 has 48 divisors (see below), whose sum is σ = 2885473999800. Its totient is φ = 482031898624.

The previous prime is 1213222201091. The next prime is 1213222201133. The reversal of 1213222201120 is 211022223121.

It can be written as a sum of positive squares in 4 ways, for example, as 688043706256 + 525178494864 = 829484^2 + 724692^2 .

It is a super-3 number, since 3×1213222201120³ (a number of 37 digits) contains 333 as substring.

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, 25421257 + ... + 25468936.

Almost surely, 2^{1213222201120} is an apocalyptic number.

1213222201120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213222201120 is an abundant number, since it is smaller than the sum of its proper divisors (1672251798680).

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

1213222201120 is a wasteful number, since it uses less digits than its factorization.

1213222201120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50890357 (or 50890349 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1213222201120 its reverse (211022223121), we get a palindrome (1424244424241).

The spelling of 1213222201120 in words is "one trillion, two hundred thirteen billion, two hundred twenty-two million, two hundred one thousand, one hundred twenty".