1210119912 has 40 divisors (see below), whose sum is σ = 3389458050. Its totient is φ = 403373088.

The previous prime is 1210119851. The next prime is 1210119919. The reversal of 1210119912 is 2199110121.

It can be written as a sum of positive squares in only one way, i.e., 1203118596 + 7001316 = 34686^2 + 2646^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1210119919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 933087 + ... + 934382.

Almost surely, 2^1210119912 is an apocalyptic number.

1210119912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1210119912 is an abundant number, since it is smaller than the sum of its proper divisors (2179338138).

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

1210119912 is a wasteful number, since it uses less digits than its factorization.

1210119912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867487 (or 1867474 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 27.

The square root of 1210119912 is about 34786.7778329641. Note that the first 3 decimals coincide. The cubic root of 1210119912 is about 1065.6374362913.

The spelling of 1210119912 in words is "one billion, two hundred ten million, one hundred nineteen thousand, nine hundred twelve".