12120231214 has 64 divisors (see below), whose sum is σ = 23607682560. Its totient is φ = 4532008320.

The previous prime is 12120231139. The next prime is 12120231239. The reversal of 12120231214 is 41213202121.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 12120231191 and 12120231200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1590337 + ... + 1597939.

It is an arithmetic number, because the mean of its divisors is an integer number (368870040).

Almost surely, 2^12120231214 is an apocalyptic number.

12120231214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12120231214 is a deficient number, since it is larger than the sum of its proper divisors (11487451346).

12120231214 is a wasteful number, since it uses less digits than its factorization.

12120231214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8105.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12120231214 its reverse (41213202121), we get a palindrome (53333433335).

The spelling of 12120231214 in words is "twelve billion, one hundred twenty million, two hundred thirty-one thousand, two hundred fourteen".