2312421042420 has 36 divisors (see below), whose sum is σ = 7014343829220. Its totient is φ = 616645611264.

The previous prime is 2312421042361. The next prime is 2312421042457. The reversal of 2312421042420 is 242401242132.

It is a happy number.

2312421042420 is a `hidden beast` number, since 2 + 3 + 1 + 2 + 4 + 210 + 424 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 855118175076 + 1457302867344 = 924726^2 + 1207188^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×2312421042420³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 6423391605 + ... + 6423391964.

It is an arithmetic number, because the mean of its divisors is an integer number (194842884145).

Almost surely, 2^{2312421042420} is an apocalyptic number.

2312421042420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312421042420 is an abundant number, since it is smaller than the sum of its proper divisors (4701922786800).

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

2312421042420 is a wasteful number, since it uses less digits than its factorization.

2312421042420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12846783584 (or 12846783579 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 2312421042420 its reverse (242401242132), we get a palindrome (2554822284552).

The spelling of 2312421042420 in words is "two trillion, three hundred twelve billion, four hundred twenty-one million, forty-two thousand, four hundred twenty".