131222120002 has 16 divisors (see below), whose sum is σ = 197789965632. Its totient is φ = 65292207120.

The previous prime is 131222119991. The next prime is 131222120009. The reversal of 131222120002 is 200021222131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131222120009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5162308 + ... + 5187664.

It is an arithmetic number, because the mean of its divisors is an integer number (12361872852).

Almost surely, 2^131222120002 is an apocalyptic number.

131222120002 is a deficient number, since it is larger than the sum of its proper divisors (66567845630).

131222120002 is a wasteful number, since it uses less digits than its factorization.

131222120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37833.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 131222120002 its reverse (200021222131), we get a palindrome (331243342133).

The spelling of 131222120002 in words is "one hundred thirty-one billion, two hundred twenty-two million, one hundred twenty thousand, two".