2012121012 has 48 divisors (see below), whose sum is σ = 5124672000. Its totient is φ = 609387360.

The previous prime is 2012121011. The next prime is 2012121017. The reversal of 2012121012 is 2101212102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012121011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321489 + ... + 327687.

It is an arithmetic number, because the mean of its divisors is an integer number (106764000).

Almost surely, 2^2012121012 is an apocalyptic number.

2012121012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2012121012 is an abundant number, since it is smaller than the sum of its proper divisors (3112550988).

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

2012121012 is a wasteful number, since it uses less digits than its factorization.

2012121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8676 (or 8674 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2012121012 is about 44856.6718783282. The cubic root of 2012121012 is about 1262.4611783246.

Adding to 2012121012 its reverse (2101212102), we get a palindrome (4113333114).

The spelling of 2012121012 in words is "two billion, twelve million, one hundred twenty-one thousand, twelve".