2012112212380 has 24 divisors (see below), whose sum is σ = 4297053201840. Its totient is φ = 791203445760.

The previous prime is 2012112212177. The next prime is 2012112212381. The reversal of 2012112212380 is 832122112102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012112212381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852588741 + ... + 852591100.

It is an arithmetic number, because the mean of its divisors is an integer number (179043883410).

Almost surely, 2^{2012112212380} is an apocalyptic number.

2012112212380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012112212380 is an abundant number, since it is smaller than the sum of its proper divisors (2284940989460).

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

2012112212380 is a wasteful number, since it uses less digits than its factorization.

2012112212380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705179909 (or 1705179907 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 2012112212380 its reverse (832122112102), we get a palindrome (2844234324482).

The spelling of 2012112212380 in words is "two trillion, twelve billion, one hundred twelve million, two hundred twelve thousand, three hundred eighty".