1220435122152 has 16 divisors (see below), whose sum is σ = 3051087805440. Its totient is φ = 406811707376.

The previous prime is 1220435122133. The next prime is 1220435122187. The reversal of 1220435122152 is 2512215340221.

It is a super-2 number, since 2×1220435122152² (a number of 25 digits) contains 22 as substring.

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, 25425731688 + ... + 25425731735.

It is an arithmetic number, because the mean of its divisors is an integer number (190692987840).

Almost surely, 2^{1220435122152} is an apocalyptic number.

1220435122152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220435122152 is an abundant number, since it is smaller than the sum of its proper divisors (1830652683288).

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

1220435122152 is a wasteful number, since it uses less digits than its factorization.

1220435122152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50851463432 (or 50851463428 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 1220435122152 in words is "one trillion, two hundred twenty billion, four hundred thirty-five million, one hundred twenty-two thousand, one hundred fifty-two".