12442105380 has 24 divisors (see below), whose sum is σ = 34837895232. Its totient is φ = 3317894752.

The previous prime is 12442105343. The next prime is 12442105433. The reversal of 12442105380 is 8350124421.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 103684152 + ... + 103684271.

It is an arithmetic number, because the mean of its divisors is an integer number (1451578968).

Almost surely, 2^12442105380 is an apocalyptic number.

12442105380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12442105380 is an abundant number, since it is smaller than the sum of its proper divisors (22395789852).

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

12442105380 is a wasteful number, since it uses less digits than its factorization.

12442105380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207368435 (or 207368433 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 12442105380 in words is "twelve billion, four hundred forty-two million, one hundred five thousand, three hundred eighty".