1222140120 has 64 divisors (see below), whose sum is σ = 3671244000. Its totient is φ = 325475328.

The previous prime is 1222140103. The next prime is 1222140163. The reversal of 1222140120 is 210412221.

It is a super-2 number, since 2×1222140120² = 2987252945827228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1222140120.

It is a congruent number.

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, 90786 + ... + 103374.

Almost surely, 2^1222140120 is an apocalyptic number.

1222140120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222140120 is an abundant number, since it is smaller than the sum of its proper divisors (2449103880).

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

1222140120 is a wasteful number, since it uses less digits than its factorization.

1222140120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13412 (or 13408 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1222140120 is about 34959.1206983242. The cubic root of 1222140120 is about 1069.1541689447.

Adding to 1222140120 its reverse (210412221), we get a palindrome (1432552341).

The spelling of 1222140120 in words is "one billion, two hundred twenty-two million, one hundred forty thousand, one hundred twenty".