1220001100232 has 32 divisors (see below), whose sum is σ = 2304665955480. Its totient is φ = 605438115840.

The previous prime is 1220001100229. The next prime is 1220001100243. The reversal of 1220001100232 is 2320011000221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 955572721156 + 264428379076 = 977534^2 + 514226^2 .

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, 243869 + ... + 1580972.

Almost surely, 2^{1220001100232} is an apocalyptic number.

It is an amenable number.

1220001100232 is a deficient number, since it is larger than the sum of its proper divisors (1084664855248).

1220001100232 is a wasteful number, since it uses less digits than its factorization.

1220001100232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825473 (or 1825469 counting only the distinct ones).

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

Adding to 1220001100232 its reverse (2320011000221), we get a palindrome (3540012100453).

The spelling of 1220001100232 in words is "one trillion, two hundred twenty billion, one million, one hundred thousand, two hundred thirty-two".