12261422150 has 12 divisors (see below), whose sum is σ = 22806245292. Its totient is φ = 4904568840.

The previous prime is 12261422143. The next prime is 12261422183. The reversal of 12261422150 is 5122416221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122614172 + ... + 122614271.

It is an arithmetic number, because the mean of its divisors is an integer number (1900520441).

Almost surely, 2^12261422150 is an apocalyptic number.

12261422150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12261422150 is a deficient number, since it is larger than the sum of its proper divisors (10544823142).

12261422150 is a wasteful number, since it uses less digits than its factorization.

12261422150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245228455 (or 245228450 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 12261422150 its reverse (5122416221), we get a palindrome (17383838371).

The spelling of 12261422150 in words is "twelve billion, two hundred sixty-one million, four hundred twenty-two thousand, one hundred fifty".