2012352402340 has 48 divisors (see below), whose sum is σ = 4829759915904. Its totient is φ = 689933088000.

The previous prime is 2012352402323. The next prime is 2012352402349. The reversal of 2012352402340 is 432042532102.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2012352402299 and 2012352402308.

It is not an unprimeable number, because it can be changed into a prime (2012352402349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6789240 + ... + 7079440.

It is an arithmetic number, because the mean of its divisors is an integer number (100619998248).

Almost surely, 2^{2012352402340} is an apocalyptic number.

2012352402340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012352402340 is an abundant number, since it is smaller than the sum of its proper divisors (2817407513564).

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

2012352402340 is a wasteful number, since it uses less digits than its factorization.

2012352402340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339748 (or 339746 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 2012352402340 its reverse (432042532102), we get a palindrome (2444394934442).

The spelling of 2012352402340 in words is "two trillion, twelve billion, three hundred fifty-two million, four hundred two thousand, three hundred forty".