12212001002 has 16 divisors (see below), whose sum is σ = 18425428800. Its totient is φ = 6070256640.

The previous prime is 12212000987. The next prime is 12212001031. The reversal of 12212001002 is 20010021221.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372074 + ... + 403562.

It is an arithmetic number, because the mean of its divisors is an integer number (1151589300).

Almost surely, 2^12212001002 is an apocalyptic number.

12212001002 is a deficient number, since it is larger than the sum of its proper divisors (6213427798).

12212001002 is a wasteful number, since it uses less digits than its factorization.

12212001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32621.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12212001002 its reverse (20010021221), we get a palindrome (32222022223).

It can be divided in two parts, 1221 and 2001002, that multiplied together give a palindrome (2443223442).

The spelling of 12212001002 in words is "twelve billion, two hundred twelve million, one thousand, two".