201212020212012 has 36 divisors (see below), whose sum is σ = 535388708753080. Its totient is φ = 63540637961472.

The previous prime is 201212020211971. The next prime is 201212020212013. The reversal of 201212020212012 is 210212020212102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×201212020212012² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (201212020212013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147084809413 + ... + 147084810780.

Almost surely, 2^{201212020212012} is an apocalyptic number.

It is an amenable number.

201212020212012 is an abundant number, since it is smaller than the sum of its proper divisors (334176688541068).

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

201212020212012 is a wasteful number, since it uses less digits than its factorization.

201212020212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294169620222 (or 294169620217 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 201212020212012 its reverse (210212020212102), we get a palindrome (411424040424114).

The spelling of 201212020212012 in words is "two hundred one trillion, two hundred twelve billion, twenty million, two hundred twelve thousand, twelve".