121103123292 has 18 divisors (see below), whose sum is σ = 306121783968. Its totient is φ = 40367707752.

The previous prime is 121103123291. The next prime is 121103123293. The reversal of 121103123292 is 292321301121.

121103123292 is a `hidden beast` number, since 1 + 21 + 1 + 0 + 312 + 329 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (121103123291) and next prime (121103123293).

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121103123291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1681987788 + ... + 1681987859.

It is an arithmetic number, because the mean of its divisors is an integer number (17006765776).

Almost surely, 2^121103123292 is an apocalyptic number.

121103123292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121103123292 is an abundant number, since it is smaller than the sum of its proper divisors (185018660676).

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

121103123292 is a wasteful number, since it uses less digits than its factorization.

121103123292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363975657 (or 3363975652 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 121103123292 in words is "one hundred twenty-one billion, one hundred three million, one hundred twenty-three thousand, two hundred ninety-two".