12000121202 has 4 divisors (see below), whose sum is σ = 18000181806. Its totient is φ = 6000060600.

The previous prime is 12000121141. The next prime is 12000121291. The reversal of 12000121202 is 20212100021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20212100021 = 85313 ⋅236917.

It can be written as a sum of positive squares in only one way, i.e., 8822657041 + 3177464161 = 93929^2 + 56369^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000030299 + ... + 3000030302.

Almost surely, 2^12000121202 is an apocalyptic number.

12000121202 is a deficient number, since it is larger than the sum of its proper divisors (6000060604).

12000121202 is an equidigital number, since it uses as much as digits as its factorization.

12000121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000060603.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12000121202 its reverse (20212100021), we get a palindrome (32212221223).

The spelling of 12000121202 in words is "twelve billion, one hundred twenty-one thousand, two hundred two".