1201132201220 has 24 divisors (see below), whose sum is σ = 2882717283264. Its totient is φ = 411816754656.

The previous prime is 1201132201201. The next prime is 1201132201249. The reversal of 1201132201220 is 221022311021.

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, 4289757722 + ... + 4289758001.

It is an arithmetic number, because the mean of its divisors is an integer number (120113220136).

Almost surely, 2^{1201132201220} is an apocalyptic number.

1201132201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201132201220 is an abundant number, since it is smaller than the sum of its proper divisors (1681585082044).

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

1201132201220 is a wasteful number, since it uses less digits than its factorization.

1201132201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8579515739 (or 8579515737 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1201132201220 its reverse (221022311021), we get a palindrome (1422154512241).

The spelling of 1201132201220 in words is "one trillion, two hundred one billion, one hundred thirty-two million, two hundred one thousand, two hundred twenty".