20012010001212 has 24 divisors (see below), whose sum is σ = 47391625676416. Its totient is φ = 6571107761328.

The previous prime is 20012010001201. The next prime is 20012010001219. The reversal of 20012010001212 is 21210001021002.

It is a super-2 number, since 2×20012010001212² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012010001219) 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, 12445279048 + ... + 12445280655.

Almost surely, 2^{20012010001212} is an apocalyptic number.

It is an amenable number.

20012010001212 is an abundant number, since it is smaller than the sum of its proper divisors (27379615675204).

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

20012010001212 is a wasteful number, since it uses less digits than its factorization.

20012010001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24890559777 (or 24890559775 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20012010001212 its reverse (21210001021002), we get a palindrome (41222011022214).

The spelling of 20012010001212 in words is "twenty trillion, twelve billion, ten million, one thousand, two hundred twelve".