121110010212 has 48 divisors (see below), whose sum is σ = 285792494400. Its totient is φ = 39913641600.

The previous prime is 121110010187. The next prime is 121110010243. The reversal of 121110010212 is 212010011121.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788839 + ... + 929777.

It is an arithmetic number, because the mean of its divisors is an integer number (5954010300).

Almost surely, 2^121110010212 is an apocalyptic number.

121110010212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121110010212 is an abundant number, since it is smaller than the sum of its proper divisors (164682484188).

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

121110010212 is a wasteful number, since it uses less digits than its factorization.

121110010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141756 (or 141754 counting only the distinct ones).

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

Adding to 121110010212 its reverse (212010011121), we get a palindrome (333120021333).

Subtracting 121110010212 from its reverse (212010011121), we obtain a palindrome (90900000909).

The spelling of 121110010212 in words is "one hundred twenty-one billion, one hundred ten million, ten thousand, two hundred twelve".