1220002132 has 12 divisors (see below), whose sum is σ = 2151815680. Its totient is φ = 605197656.

The previous prime is 1220002097. The next prime is 1220002139. The reversal of 1220002132 is 2312000221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220002139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1200282 + ... + 1201297.

Almost surely, 2^1220002132 is an apocalyptic number.

It is an amenable number.

1220002132 is a deficient number, since it is larger than the sum of its proper divisors (931813548).

1220002132 is a wasteful number, since it uses less digits than its factorization.

1220002132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401710 (or 2401708 counting only the distinct ones).

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

The square root of 1220002132 is about 34928.5289126238. The cubic root of 1220002132 is about 1068.5303525817.

Adding to 1220002132 its reverse (2312000221), we get a palindrome (3532002353).

The spelling of 1220002132 in words is "one billion, two hundred twenty million, two thousand, one hundred thirty-two".