2002001022212 has 48 divisors (see below), whose sum is σ = 3600092245680. Its totient is φ = 973884628992.

The previous prime is 2002001022211. The next prime is 2002001022223. The reversal of 2002001022212 is 2122201002002.

It can be written as a sum of positive squares in 8 ways, for example, as 11999887936 + 1990001134276 = 109544^2 + 1410674^2 .

It is not an unprimeable number, because it can be changed into a prime (2002001022211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5806478 + ... + 6141594.

It is an arithmetic number, because the mean of its divisors is an integer number (75001921785).

Almost surely, 2^{2002001022212} is an apocalyptic number.

It is an amenable number.

2002001022212 is a deficient number, since it is larger than the sum of its proper divisors (1598091223468).

2002001022212 is a wasteful number, since it uses less digits than its factorization.

2002001022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335480 (or 335478 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2002001022212 its reverse (2122201002002), we get a palindrome (4124202024214).

The spelling of 2002001022212 in words is "two trillion, two billion, one million, twenty-two thousand, two hundred twelve".