1122120412 has 24 divisors (see below), whose sum is σ = 2341817856. Its totient is φ = 459999408.

The previous prime is 1122120401. The next prime is 1122120427. The reversal of 1122120412 is 2140212211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 870568 + ... + 871855.

It is an arithmetic number, because the mean of its divisors is an integer number (97575744).

Almost surely, 2^1122120412 is an apocalyptic number.

It is an amenable number.

1122120412 is an abundant number, since it is smaller than the sum of its proper divisors (1219697444).

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

1122120412 is a wasteful number, since it uses less digits than its factorization.

1122120412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742457 (or 1742455 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1122120412 is about 33498.0657949082. The cubic root of 1122120412 is about 1039.1537778597.

Adding to 1122120412 its reverse (2140212211), we get a palindrome (3262332623).

The spelling of 1122120412 in words is "one billion, one hundred twenty-two million, one hundred twenty thousand, four hundred twelve".