1220012124 has 24 divisors (see below), whose sum is σ = 2848651008. Its totient is φ = 406391280.

The previous prime is 1220012119. The next prime is 1220012147. The reversal of 1220012124 is 4212100221.

1220012124 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 16342 + ... + 52029.

It is an arithmetic number, because the mean of its divisors is an integer number (118693792).

Almost surely, 2^1220012124 is an apocalyptic number.

It is an amenable number.

1220012124 is an abundant number, since it is smaller than the sum of its proper divisors (1628638884).

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

1220012124 is a wasteful number, since it uses less digits than its factorization.

1220012124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69865 (or 69863 counting only the distinct ones).

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

The square root of 1220012124 is about 34928.6719472699. The cubic root of 1220012124 is about 1068.5332697149.

Adding to 1220012124 its reverse (4212100221), we get a palindrome (5432112345).

The spelling of 1220012124 in words is "one billion, two hundred twenty million, twelve thousand, one hundred twenty-four".