12121020046 has 8 divisors (see below), whose sum is σ = 18183494304. Its totient is φ = 6059855280.

The previous prime is 12121020031. The next prime is 12121020089. The reversal of 12121020046 is 64002012121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303895 + ... + 341458.

It is an arithmetic number, because the mean of its divisors is an integer number (2272936788).

Almost surely, 2^12121020046 is an apocalyptic number.

12121020046 is a deficient number, since it is larger than the sum of its proper divisors (6062474258).

12121020046 is an equidigital number, since it uses as much as digits as its factorization.

12121020046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654746.

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

Adding to 12121020046 its reverse (64002012121), we get a palindrome (76123032167).

The spelling of 12121020046 in words is "twelve billion, one hundred twenty-one million, twenty thousand, forty-six".