20001004142012 has 6 divisors (see below), whose sum is σ = 35001757248528. Its totient is φ = 10000502071004.

The previous prime is 20001004142003. The next prime is 20001004142017. The reversal of 20001004142012 is 21024140010002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001004142017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500125517748 + ... + 2500125517755.

It is an arithmetic number, because the mean of its divisors is an integer number (5833626208088).

Almost surely, 2^{20001004142012} is an apocalyptic number.

It is an amenable number.

20001004142012 is a deficient number, since it is larger than the sum of its proper divisors (15000753106516).

20001004142012 is a wasteful number, since it uses less digits than its factorization.

20001004142012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000251035507 (or 5000251035505 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20001004142012 its reverse (21024140010002), we get a palindrome (41025144152014).

The spelling of 20001004142012 in words is "twenty trillion, one billion, four million, one hundred forty-two thousand, twelve".