2012423512 has 16 divisors (see below), whose sum is σ = 4116321000. Its totient is φ = 914737920.

The previous prime is 2012423461. The next prime is 2012423537. The reversal of 2012423512 is 2153242102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 11434137 + ... + 11434312.

Almost surely, 2^2012423512 is an apocalyptic number.

2012423512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2012423512 is an abundant number, since it is smaller than the sum of its proper divisors (2103897488).

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

2012423512 is a wasteful number, since it uses less digits than its factorization.

2012423512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22868466 (or 22868462 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2012423512 is about 44860.0436022971. The cubic root of 2012423512 is about 1262.5244408169.

Adding to 2012423512 its reverse (2153242102), we get a palindrome (4165665614).

It can be divided in two parts, 2012 and 423512, that added together give a palindrome (425524).

The spelling of 2012423512 in words is "two billion, twelve million, four hundred twenty-three thousand, five hundred twelve".