1232102220001 has 9 divisors (see below), whose sum is σ = 1240484625009. Its totient is φ = 1223776102500.

The previous prime is 1232102219983. The next prime is 1232102220029. The reversal of 1232102220001 is 1000222012321.

It is a happy number.

The square root of 1232102220001 is 1110001.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2^k-1232102220001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232102220031) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 167606476 + ... + 167613826.

It is an arithmetic number, because the mean of its divisors is an integer number (137831625001).

Almost surely, 2^{1232102220001} is an apocalyptic number.

1232102220001 is the 1110001-st square number.

1232102220001 is the 555001-st centered octagonal number.

It is an amenable number.

1232102220001 is a deficient number, since it is larger than the sum of its proper divisors (8382405008).

1232102220001 is an frugal number, since it uses more digits than its factorization.

1232102220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15004 (or 7502 counting only the distinct ones).

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

Multiplying 1232102220001 by its sum of digits (16), we get a square (19713635520016 = 4440004²).

Adding to 1232102220001 its reverse (1000222012321), we get a palindrome (2232324232322).

The spelling of 1232102220001 in words is "one trillion, two hundred thirty-two billion, one hundred two million, two hundred twenty thousand, one".