1213120213012 has 24 divisors (see below), whose sum is σ = 2154906283040. Its totient is φ = 597434888160.

The previous prime is 1213120212979. The next prime is 1213120213031. The reversal of 1213120213012 is 2103120213121.

It is a super-2 number, since 2×1213120213012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 1987462 + ... + 2525122.

Almost surely, 2^{1213120213012} is an apocalyptic number.

It is an amenable number.

1213120213012 is a deficient number, since it is larger than the sum of its proper divisors (941786070028).

1213120213012 is a wasteful number, since it uses less digits than its factorization.

1213120213012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546151 (or 546149 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1213120213012 its reverse (2103120213121), we get a palindrome (3316240426133).

The spelling of 1213120213012 in words is "one trillion, two hundred thirteen billion, one hundred twenty million, two hundred thirteen thousand, twelve".