12402032022 has 24 divisors (see below), whose sum is σ = 26892946080. Its totient is φ = 4130645040.

The previous prime is 12402032021. The next prime is 12402032023. The reversal of 12402032022 is 22023020421.

It is an interprime number because it is at equal distance from previous prime (12402032021) and next prime (12402032023).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12402031986 and 12402032004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12402032021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257697 + ... + 302012.

It is an arithmetic number, because the mean of its divisors is an integer number (1120539420).

Almost surely, 2^12402032022 is an apocalyptic number.

12402032022 is an abundant number, since it is smaller than the sum of its proper divisors (14490914058).

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

12402032022 is a wasteful number, since it uses less digits than its factorization.

12402032022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560948 (or 560945 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 12402032022 its reverse (22023020421), we get a palindrome (34425052443).

The spelling of 12402032022 in words is "twelve billion, four hundred two million, thirty-two thousand, twenty-two".