12121000010002 has 8 divisors (see below), whose sum is σ = 19580076939276. Its totient is φ = 5594307696912.

The previous prime is 12121000009973. The next prime is 12121000010027. The reversal of 12121000010002 is 20001000012121.

It can be written as a sum of positive squares in 2 ways, for example, as 12057360361641 + 63639648361 = 3472371^2 + 252269^2 .

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

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, 233096154013 + ... + 233096154064.

Almost surely, 2^{12121000010002} is an apocalyptic number.

12121000010002 is a deficient number, since it is larger than the sum of its proper divisors (7459076929274).

12121000010002 is a wasteful number, since it uses less digits than its factorization.

12121000010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466192308092.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12121000010002 its reverse (20001000012121), we get a palindrome (32122000022123).

The spelling of 12121000010002 in words is "twelve trillion, one hundred twenty-one billion, ten thousand, two".