12121230002 has 8 divisors (see below), whose sum is σ = 20779251456. Its totient is φ = 5194812852.

The previous prime is 12121229969. The next prime is 12121230019. The reversal of 12121230002 is 20003212121.

It is a happy number.

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

It is a super-2 number, since 2×12121230002² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 865802143 = 12121230002 / (1 + 2 + 1 + 2 + 1 + 2 + 3 + 0 + 0 + 0 + 2).

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, 432901058 + ... + 432901085.

It is an arithmetic number, because the mean of its divisors is an integer number (2597406432).

Almost surely, 2^12121230002 is an apocalyptic number.

12121230002 is a deficient number, since it is larger than the sum of its proper divisors (8658021454).

12121230002 is an equidigital number, since it uses as much as digits as its factorization.

12121230002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865802152.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12121230002 its reverse (20003212121), we get a palindrome (32124442123).

The spelling of 12121230002 in words is "twelve billion, one hundred twenty-one million, two hundred thirty thousand, two".