2012121202212 has 72 divisors (see below), whose sum is σ = 5548875014592. Its totient is φ = 609700910400.

The previous prime is 2012121202183. The next prime is 2012121202237. The reversal of 2012121202212 is 2122021212102.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7821538 + ... + 8074694.

It is an arithmetic number, because the mean of its divisors is an integer number (77067708536).

Almost surely, 2^{2012121202212} is an apocalyptic number.

2012121202212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2012121202212 is an abundant number, since it is smaller than the sum of its proper divisors (3536753812380).

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

2012121202212 is a wasteful number, since it uses less digits than its factorization.

2012121202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273249 (or 273244 counting only the distinct ones).

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

Adding to 2012121202212 its reverse (2122021212102), we get a palindrome (4134142414314).

The spelling of 2012121202212 in words is "two trillion, twelve billion, one hundred twenty-one million, two hundred two thousand, two hundred twelve".