1213030211120 has 80 divisors (see below), whose sum is σ = 3471132624960. Its totient is φ = 383904064512.

The previous prime is 1213030211051. The next prime is 1213030211161. The reversal of 1213030211120 is 211120303121.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83305235 + ... + 83319794.

It is an arithmetic number, because the mean of its divisors is an integer number (43389157812).

Almost surely, 2^{1213030211120} is an apocalyptic number.

1213030211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213030211120 is an abundant number, since it is smaller than the sum of its proper divisors (2258102413840).

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

1213030211120 is a wasteful number, since it uses less digits than its factorization.

1213030211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166625062 (or 166625056 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1213030211120 its reverse (211120303121), we get a palindrome (1424150514241).

The spelling of 1213030211120 in words is "one trillion, two hundred thirteen billion, thirty million, two hundred eleven thousand, one hundred twenty".