1220101232 has 40 divisors (see below), whose sum is σ = 2716790400. Its totient is φ = 519970752.

The previous prime is 1220101189. The next prime is 1220101241. The reversal of 1220101232 is 2321010221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 10382 + ... + 50477.

It is an arithmetic number, because the mean of its divisors is an integer number (67919760).

Almost surely, 2^1220101232 is an apocalyptic number.

It is an amenable number.

1220101232 is an abundant number, since it is smaller than the sum of its proper divisors (1496689168).

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

1220101232 is a wasteful number, since it uses less digits than its factorization.

1220101232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61053 (or 61047 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1220101232 is about 34929.9474949505. The cubic root of 1220101232 is about 1068.5592838128.

Adding to 1220101232 its reverse (2321010221), we get a palindrome (3541111453).

The spelling of 1220101232 in words is "one billion, two hundred twenty million, one hundred one thousand, two hundred thirty-two".