1213032011200 has 42 divisors (see below), whose sum is σ = 2984816896496. Its totient is φ = 485212803840.

The previous prime is 1213032011171. The next prime is 1213032011227. The reversal of 1213032011200 is 21102303121.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 379070904 + ... + 379074103.

Almost surely, 2^{1213032011200} is an apocalyptic number.

1213032011200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213032011200 is an abundant number, since it is smaller than the sum of its proper divisors (1771784885296).

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

1213032011200 is an equidigital number, since it uses as much as digits as its factorization.

1213032011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758145029 (or 758145014 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1213032011200 its reverse (21102303121), we get a palindrome (1234134314321).

The spelling of 1213032011200 in words is "one trillion, two hundred thirteen billion, thirty-two million, eleven thousand, two hundred".