1212411040112 has 40 divisors (see below), whose sum is σ = 2481213335040. Its totient is φ = 573007458240.

The previous prime is 1212411040111. The next prime is 1212411040223. The reversal of 1212411040112 is 2110401142121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212411040111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28401662 + ... + 28444317.

It is an arithmetic number, because the mean of its divisors is an integer number (62030333376).

Almost surely, 2^{1212411040112} is an apocalyptic number.

It is an amenable number.

1212411040112 is an abundant number, since it is smaller than the sum of its proper divisors (1268802294928).

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

1212411040112 is a wasteful number, since it uses less digits than its factorization.

1212411040112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56846061 (or 56846055 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 1212411040112 its reverse (2110401142121), we get a palindrome (3322812182233).

The spelling of 1212411040112 in words is "one trillion, two hundred twelve billion, four hundred eleven million, forty thousand, one hundred twelve".