12201001021002 has 64 divisors (see below), whose sum is σ = 25725920112000. Its totient is φ = 3851743703808.

The previous prime is 12201001020959. The next prime is 12201001021043. The reversal of 12201001021002 is 20012010010221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38750824 + ... + 39064412.

It is an arithmetic number, because the mean of its divisors is an integer number (401967501750).

Almost surely, 2^{12201001021002} is an apocalyptic number.

12201001021002 is an abundant number, since it is smaller than the sum of its proper divisors (13524919090998).

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

12201001021002 is a wasteful number, since it uses less digits than its factorization.

12201001021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317895.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12201001021002 its reverse (20012010010221), we get a palindrome (32213011031223).

The spelling of 12201001021002 in words is "twelve trillion, two hundred one billion, one million, twenty-one thousand, two".