20010001120012 has 6 divisors (see below), whose sum is σ = 35017501960028. Its totient is φ = 10005000560004.

The previous prime is 20010001120003. The next prime is 20010001120013. The reversal of 20010001120012 is 21002110001002.

It is not an unprimeable number, because it can be changed into a prime (20010001120013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501250139998 + ... + 2501250140005.

Almost surely, 2^{20010001120012} is an apocalyptic number.

It is an amenable number.

20010001120012 is a deficient number, since it is larger than the sum of its proper divisors (15007500840016).

20010001120012 is a wasteful number, since it uses less digits than its factorization.

20010001120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5002500280007 (or 5002500280005 counting only the distinct ones).

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

Adding to 20010001120012 its reverse (21002110001002), we get a palindrome (41012111121014).

The spelling of 20010001120012 in words is "twenty trillion, ten billion, one million, one hundred twenty thousand, twelve".