12121000354 has 16 divisors (see below), whose sum is σ = 18213552000. Its totient is φ = 6049828224.

The previous prime is 12121000343. The next prime is 12121000417. The reversal of 12121000354 is 45300012121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3823282 + ... + 3826450.

It is an arithmetic number, because the mean of its divisors is an integer number (1138347000).

Almost surely, 2^12121000354 is an apocalyptic number.

12121000354 is a deficient number, since it is larger than the sum of its proper divisors (6092551646).

12121000354 is a wasteful number, since it uses less digits than its factorization.

12121000354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5937.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 12121000354 its reverse (45300012121), we get a palindrome (57421012475).

The spelling of 12121000354 in words is "twelve billion, one hundred twenty-one million, three hundred fifty-four", and thus it is an aban number.