2012113323220 has 96 divisors (see below), whose sum is σ = 5673315384576. Its totient is φ = 578909721600.

The previous prime is 2012113323193. The next prime is 2012113323277. The reversal of 2012113323220 is 223233112102.

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

It is a junction number, because it is equal to n+sod(n) for n = 2012113323191 and 2012113323200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50232561 + ... + 50272600.

It is an arithmetic number, because the mean of its divisors is an integer number (59097035256).

Almost surely, 2^{2012113323220} is an apocalyptic number.

2012113323220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012113323220 is an abundant number, since it is smaller than the sum of its proper divisors (3661202061356).

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

2012113323220 is a wasteful number, since it uses less digits than its factorization.

2012113323220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100505201 (or 100505199 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2012113323220 its reverse (223233112102), we get a palindrome (2235346435322).

The spelling of 2012113323220 in words is "two trillion, twelve billion, one hundred thirteen million, three hundred twenty-three thousand, two hundred twenty".