12001222231002 has 12 divisors (see below), whose sum is σ = 26002648167210. Its totient is φ = 4000407410328.

The previous prime is 12001222230983. The next prime is 12001222231039. The reversal of 12001222231002 is 20013222210021.

12001222231002 is a `hidden beast` number, since 120 + 0 + 12 + 222 + 310 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11974375080801 + 26847150201 = 3460401^2 + 163851^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 666734568389 = 12001222231002 / (1 + 2 + 0 + 0 + 1 + 2 + 2 + 2 + 2 + 3 + 1 + 0 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 333367284177 + ... + 333367284212.

Almost surely, 2^{12001222231002} is an apocalyptic number.

12001222231002 is an abundant number, since it is smaller than the sum of its proper divisors (14001425936208).

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

12001222231002 is a wasteful number, since it uses less digits than its factorization.

12001222231002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666734568397 (or 666734568394 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12001222231002 its reverse (20013222210021), we get a palindrome (32014444441023).

The spelling of 12001222231002 in words is "twelve trillion, one billion, two hundred twenty-two million, two hundred thirty-one thousand, two".