20120001121202 has 4 divisors (see below), whose sum is σ = 30180001681806. Its totient is φ = 10060000560600.

The previous prime is 20120001121169. The next prime is 20120001121237. The reversal of 20120001121202 is 20212110002102.

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., 18960268126921 + 1159732994281 = 4354339^2 + 1076909^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5030000280299 + ... + 5030000280302.

Almost surely, 2^{20120001121202} is an apocalyptic number.

20120001121202 is a deficient number, since it is larger than the sum of its proper divisors (10060000560604).

20120001121202 is a wasteful number, since it uses less digits than its factorization.

20120001121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10060000560603.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20120001121202 its reverse (20212110002102), we get a palindrome (40332111123304).

The spelling of 20120001121202 in words is "twenty trillion, one hundred twenty billion, one million, one hundred twenty-one thousand, two hundred two".