201212210100012 has 12 divisors (see below), whose sum is σ = 469495156900056. Its totient is φ = 67070736700000.

The previous prime is 201212210099993. The next prime is 201212210100037. The reversal of 201212210100012 is 210001012212102.

201212210100012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×201212210100012² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201212210099964 and 201212210100000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8383842087489 + ... + 8383842087512.

It is an arithmetic number, because the mean of its divisors is an integer number (39124596408338).

Almost surely, 2^{201212210100012} is an apocalyptic number.

It is an amenable number.

201212210100012 is an abundant number, since it is smaller than the sum of its proper divisors (268282946800044).

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

201212210100012 is a wasteful number, since it uses less digits than its factorization.

201212210100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16767684175008 (or 16767684175006 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201212210100012 its reverse (210001012212102), we get a palindrome (411213222312114).

The spelling of 201212210100012 in words is "two hundred one trillion, two hundred twelve billion, two hundred ten million, one hundred thousand, twelve".