2001022202012 has 24 divisors (see below), whose sum is σ = 3532459671552. Its totient is φ = 991784908800.

The previous prime is 2001022201991. The next prime is 2001022202017. The reversal of 2001022202012 is 2102022201002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001022202017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4395164 + ... + 4829027.

It is an arithmetic number, because the mean of its divisors is an integer number (147185819648).

Almost surely, 2^{2001022202012} is an apocalyptic number.

It is an amenable number.

2001022202012 is a deficient number, since it is larger than the sum of its proper divisors (1531437469540).

2001022202012 is a wasteful number, since it uses less digits than its factorization.

2001022202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9224669 (or 9224667 counting only the distinct ones).

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

Adding to 2001022202012 its reverse (2102022201002), we get a palindrome (4103044403014).

The spelling of 2001022202012 in words is "two trillion, one billion, twenty-two million, two hundred two thousand, twelve".