20001033001212 has 24 divisors (see below), whose sum is σ = 46718357997696. Its totient is φ = 6659970858288.

The previous prime is 20001033001129. The next prime is 20001033001219. The reversal of 20001033001212 is 21210033010002.

It is a super-2 number, since 2×20001033001212² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20001033001191 and 20001033001200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001033001219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 880005928 + ... + 880028655.

It is an arithmetic number, because the mean of its divisors is an integer number (1946598249904).

Almost surely, 2^{20001033001212} is an apocalyptic number.

It is an amenable number.

20001033001212 is an abundant number, since it is smaller than the sum of its proper divisors (26717324996484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20001033001212 is a wasteful number, since it uses less digits than its factorization.

20001033001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760035537 (or 1760035535 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20001033001212 its reverse (21210033010002), we get a palindrome (41211066011214).

The spelling of 20001033001212 in words is "twenty trillion, one billion, thirty-three million, one thousand, two hundred twelve".