1242332332420 has 24 divisors (see below), whose sum is σ = 2610894049344. Its totient is φ = 496552713696.

The previous prime is 1242332332403. The next prime is 1242332332457. The reversal of 1242332332420 is 242332332421.

It is a super-2 number, since 2×1242332332420² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23736912 + ... + 23789191.

It is an arithmetic number, because the mean of its divisors is an integer number (108787252056).

Almost surely, 2^{1242332332420} is an apocalyptic number.

1242332332420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242332332420 is an abundant number, since it is smaller than the sum of its proper divisors (1368561716924).

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

1242332332420 is a wasteful number, since it uses less digits than its factorization.

1242332332420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47527419 (or 47527417 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 1242332332420 its reverse (242332332421), we get a palindrome (1484664664841).

Subtracting from 1242332332420 its reverse (242332332421), we obtain a palindrome (999999999999).

The spelling of 1242332332420 in words is "one trillion, two hundred forty-two billion, three hundred thirty-two million, three hundred thirty-two thousand, four hundred twenty".