1212210010112 has 48 divisors (see below), whose sum is σ = 2551398103800. Its totient is φ = 574204723200.

The previous prime is 1212210010057. The next prime is 1212210010157. The reversal of 1212210010112 is 2110100122121.

It is a super-3 number, since 3×1212210010112³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15537389 + ... + 15615212.

Almost surely, 2^{1212210010112} is an apocalyptic number.

It is an amenable number.

1212210010112 is an abundant number, since it is smaller than the sum of its proper divisors (1339188093688).

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

1212210010112 is an equidigital number, since it uses as much as digits as its factorization.

1212210010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31152642 (or 31152622 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1212210010112 its reverse (2110100122121), we get a palindrome (3322310132233).

The spelling of 1212210010112 in words is "one trillion, two hundred twelve billion, two hundred ten million, ten thousand, one hundred twelve".