12221012001002 has 8 divisors (see below), whose sum is σ = 20950306287456. Its totient is φ = 5237576571852.

The previous prime is 12221012000969. The next prime is 12221012001019. The reversal of 12221012001002 is 20010021012221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 872929428643 = 12221012001002 / (1 + 2 + 2 + 2 + 1 + 0 + 1 + 2 + 0 + 0 + 1 + 0 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436464714308 + ... + 436464714335.

It is an arithmetic number, because the mean of its divisors is an integer number (2618788285932).

Almost surely, 2^{12221012001002} is an apocalyptic number.

12221012001002 is a deficient number, since it is larger than the sum of its proper divisors (8729294286454).

12221012001002 is an equidigital number, since it uses as much as digits as its factorization.

12221012001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872929428652.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12221012001002 its reverse (20010021012221), we get a palindrome (32231033013223).

The spelling of 12221012001002 in words is "twelve trillion, two hundred twenty-one billion, twelve million, one thousand, two".