20012202121298 has 4 divisors (see below), whose sum is σ = 30018303181950. Its totient is φ = 10006101060648.

The previous prime is 20012202121297. The next prime is 20012202121313. The reversal of 20012202121298 is 89212120221002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19955545268569 + 56656852729 = 4467163^2 + 238027^2 .

It is a super-2 number, since 2×20012202121298² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20012202121297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5003050530323 + ... + 5003050530326.

Almost surely, 2^{20012202121298} is an apocalyptic number.

20012202121298 is a deficient number, since it is larger than the sum of its proper divisors (10006101060652).

20012202121298 is a wasteful number, since it uses less digits than its factorization.

20012202121298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10006101060651.

The product of its (nonzero) digits is 4608, while the sum is 32.

The spelling of 20012202121298 in words is "twenty trillion, twelve billion, two hundred two million, one hundred twenty-one thousand, two hundred ninety-eight".