12380449350 has 48 divisors (see below), whose sum is σ = 30711012048. Its totient is φ = 3300647040.

The previous prime is 12380449349. The next prime is 12380449373. The reversal of 12380449350 is 5394408321.

It is a super-2 number, since 2×12380449350² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12380449299 and 12380449308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 850332 + ... + 864768.

It is an arithmetic number, because the mean of its divisors is an integer number (639812751).

Almost surely, 2^12380449350 is an apocalyptic number.

12380449350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12380449350 is an abundant number, since it is smaller than the sum of its proper divisors (18330562698).

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

12380449350 is a wasteful number, since it uses less digits than its factorization.

12380449350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20169 (or 20164 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 12380449350 in words is "twelve billion, three hundred eighty million, four hundred forty-nine thousand, three hundred fifty".