1211402010112 has 40 divisors (see below), whose sum is σ = 2766214866096. Its totient is φ = 519172288512.

The previous prime is 1211402010101. The next prime is 1211402010179. The reversal of 1211402010112 is 2110102041121.

It is a super-3 number, since 3×1211402010112³ (a number of 37 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 168997813 + ... + 169004980.

Almost surely, 2^{1211402010112} is an apocalyptic number.

It is an amenable number.

1211402010112 is an abundant number, since it is smaller than the sum of its proper divisors (1554812855984).

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

1211402010112 is an frugal number, since it uses more digits than its factorization.

1211402010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338002818 (or 338002802 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1211402010112 its reverse (2110102041121), we get a palindrome (3321504051233).

The spelling of 1211402010112 in words is "one trillion, two hundred eleven billion, four hundred two million, ten thousand, one hundred twelve".