1100303131212 has 36 divisors (see below), whose sum is σ = 2783295900840. Its totient is φ = 366507389952.

The previous prime is 1100303131159. The next prime is 1100303131231. The reversal of 1100303131212 is 2121313030011.

1100303131212 is a `hidden beast` number, since 110 + 0 + 30 + 313 + 1 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10795258 + ... + 10896705.

Almost surely, 2^{1100303131212} is an apocalyptic number.

1100303131212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1100303131212 is an abundant number, since it is smaller than the sum of its proper divisors (1682992769628).

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

1100303131212 is a wasteful number, since it uses less digits than its factorization.

1100303131212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21693382 (or 21693377 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1100303131212 its reverse (2121313030011), we get a palindrome (3221616161223).

The spelling of 1100303131212 in words is "one trillion, one hundred billion, three hundred three million, one hundred thirty-one thousand, two hundred twelve".