1220000252120 has 32 divisors (see below), whose sum is σ = 2956154458320. Its totient is φ = 450461631360.

The previous prime is 1220000252059. The next prime is 1220000252137. The reversal of 1220000252120 is 212520000221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1173076646 + ... + 1173077685.

Almost surely, 2^{1220000252120} is an apocalyptic number.

1220000252120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220000252120 is an abundant number, since it is smaller than the sum of its proper divisors (1736154206200).

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

1220000252120 is a wasteful number, since it uses less digits than its factorization.

1220000252120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346154355 (or 2346154351 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 1220000252120 its reverse (212520000221), we get a palindrome (1432520252341).

The spelling of 1220000252120 in words is "one trillion, two hundred twenty billion, two hundred fifty-two thousand, one hundred twenty".