201002121212 has 24 divisors (see below), whose sum is σ = 367485975360. Its totient is φ = 96074753600.

The previous prime is 201002121211. The next prime is 201002121227. The reversal of 201002121212 is 212121200102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201002121211) 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, 8566388 + ... + 8589819.

It is an arithmetic number, because the mean of its divisors is an integer number (15311915640).

Almost surely, 2^201002121212 is an apocalyptic number.

It is an amenable number.

201002121212 is a deficient number, since it is larger than the sum of its proper divisors (166483854148).

201002121212 is a wasteful number, since it uses less digits than its factorization.

201002121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17156341 (or 17156339 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201002121212 its reverse (212121200102), we get a palindrome (413123321314).

The spelling of 201002121212 in words is "two hundred one billion, two million, one hundred twenty-one thousand, two hundred twelve".