20202001212 has 12 divisors (see below), whose sum is σ = 47138002856. Its totient is φ = 6734000400.

The previous prime is 20202001151. The next prime is 20202001223. The reversal of 20202001212 is 21210020202.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 1683500101 = 20202001212 / (2 + 0 + 2 + 0 + 2 + 0 + 0 + 1 + 2 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841750039 + ... + 841750062.

Almost surely, 2^20202001212 is an apocalyptic number.

It is an amenable number.

20202001212 is an abundant number, since it is smaller than the sum of its proper divisors (26936001644).

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

20202001212 is a wasteful number, since it uses less digits than its factorization.

20202001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683500108 (or 1683500106 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20202001212 its reverse (21210020202), we get a palindrome (41412021414).

The spelling of 20202001212 in words is "twenty billion, two hundred two million, one thousand, two hundred twelve".