2001002012212 has 48 divisors (see below), whose sum is σ = 4041940008960. Its totient is φ = 849042788832.

The previous prime is 2001002012209. The next prime is 2001002012287. The reversal of 2001002012212 is 2122102001002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2001002012192 and 2001002012201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1115943 + ... + 2290705.

It is an arithmetic number, because the mean of its divisors is an integer number (84207083520).

Almost surely, 2^{2001002012212} is an apocalyptic number.

It is an amenable number.

2001002012212 is an abundant number, since it is smaller than the sum of its proper divisors (2040937996748).

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

2001002012212 is a wasteful number, since it uses less digits than its factorization.

2001002012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175380 (or 1175378 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2001002012212 its reverse (2122102001002), we get a palindrome (4123104013214).

The spelling of 2001002012212 in words is "two trillion, one billion, two million, twelve thousand, two hundred twelve".