1201323220132 has 96 divisors (see below), whose sum is σ = 2430422184960. Its totient is φ = 508947425280.

The previous prime is 1201323220127. The next prime is 1201323220133. The reversal of 1201323220132 is 2310223231021.

It is not an unprimeable number, because it can be changed into a prime (1201323220133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 601562958 + ... + 601564954.

It is an arithmetic number, because the mean of its divisors is an integer number (25316897760).

Almost surely, 2^{1201323220132} is an apocalyptic number.

It is an amenable number.

1201323220132 is an abundant number, since it is smaller than the sum of its proper divisors (1229098964828).

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

1201323220132 is a wasteful number, since it uses less digits than its factorization.

1201323220132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861 (or 2859 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1201323220132 its reverse (2310223231021), we get a palindrome (3511546451153).

The spelling of 1201323220132 in words is "one trillion, two hundred one billion, three hundred twenty-three million, two hundred twenty thousand, one hundred thirty-two".