1220012032 has 24 divisors (see below), whose sum is σ = 2439432450. Its totient is φ = 610004992.

The previous prime is 1220012029. The next prime is 1220012051. The reversal of 1220012032 is 2302100221.

It can be written as a sum of positive squares in only one way, i.e., 693584896 + 526427136 = 26336^2 + 22944^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 295807 + ... + 299902.

Almost surely, 2^1220012032 is an apocalyptic number.

It is an amenable number.

1220012032 is a deficient number, since it is larger than the sum of its proper divisors (1219420418).

1220012032 is an frugal number, since it uses more digits than its factorization.

1220012032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595731 (or 595711 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1220012032 is about 34928.6706303003. The cubic root of 1220012032 is about 1068.5332428558.

Adding to 1220012032 its reverse (2302100221), we get a palindrome (3522112253).

The spelling of 1220012032 in words is "one billion, two hundred twenty million, twelve thousand, thirty-two".