23201121211012 has 6 divisors (see below), whose sum is σ = 40601962119278. Its totient is φ = 11600560605504.

The previous prime is 23201121210959. The next prime is 23201121211061. The reversal of 23201121211012 is 21011212110232.

It can be written as a sum of positive squares in only one way, i.e., 20922518884996 + 2278602326016 = 4574114^2 + 1509504^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2900140151373 + ... + 2900140151380.

Almost surely, 2^{23201121211012} is an apocalyptic number.

It is an amenable number.

23201121211012 is a deficient number, since it is larger than the sum of its proper divisors (17400840908266).

23201121211012 is a wasteful number, since it uses less digits than its factorization.

23201121211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5800280302757 (or 5800280302755 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 23201121211012 its reverse (21011212110232), we get a palindrome (44212333321244).

The spelling of 23201121211012 in words is "twenty-three trillion, two hundred one billion, one hundred twenty-one million, two hundred eleven thousand, twelve".