20012000101202 has 4 divisors (see below), whose sum is σ = 30018000151806. Its totient is φ = 10006000050600.

The previous prime is 20012000101153. The next prime is 20012000101207. The reversal of 20012000101202 is 20210100021002.

It is a happy number.

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., 15675906036961 + 4336094064241 = 3959281^2 + 2082329^2 .

It is not an unprimeable number, because it can be changed into a prime (20012000101207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5003000025299 + ... + 5003000025302.

Almost surely, 2^{20012000101202} is an apocalyptic number.

20012000101202 is a deficient number, since it is larger than the sum of its proper divisors (10006000050604).

20012000101202 is a wasteful number, since it uses less digits than its factorization.

20012000101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10006000050603.

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

Adding to 20012000101202 its reverse (20210100021002), we get a palindrome (40222100122204).

The spelling of 20012000101202 in words is "twenty trillion, twelve billion, one hundred one thousand, two hundred two".