1100121010212 has 96 divisors (see below), whose sum is σ = 3074433107200. Its totient is φ = 305825103360.

The previous prime is 1100121010207. The next prime is 1100121010223. The reversal of 1100121010212 is 2120101210011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3459589 + ... + 3764172.

Almost surely, 2^{1100121010212} is an apocalyptic number.

1100121010212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1100121010212 is an abundant number, since it is smaller than the sum of its proper divisors (1974312096988).

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

1100121010212 is a wasteful number, since it uses less digits than its factorization.

1100121010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7223826 (or 7223810 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1100121010212 its reverse (2120101210011), we get a palindrome (3220222220223).

The spelling of 1100121010212 in words is "one trillion, one hundred billion, one hundred twenty-one million, ten thousand, two hundred twelve".