12119640988 has 216 divisors, whose sum is σ = 27963758592. Its totient is φ = 4576860288.

The previous prime is 12119640971. The next prime is 12119640997. The reversal of 12119640988 is 88904691121.

It is a super-2 number, since 2×12119640988² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 95430181 + ... + 95430307.

Almost surely, 2^12119640988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12119640988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13981879296).

12119640988 is an abundant number, since it is smaller than the sum of its proper divisors (15844117604).

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

12119640988 is a wasteful number, since it uses less digits than its factorization.

12119640988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 49.

The spelling of 12119640988 in words is "twelve billion, one hundred nineteen million, six hundred forty thousand, nine hundred eighty-eight".