20020201212 has 48 divisors (see below), whose sum is σ = 51038064000. Its totient is φ = 6057495360.

The previous prime is 20020201183. The next prime is 20020201237. The reversal of 20020201212 is 21210202002.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28087 + ... + 202062.

It is an arithmetic number, because the mean of its divisors is an integer number (1063293000).

Almost surely, 2^20020201212 is an apocalyptic number.

20020201212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20020201212 is an abundant number, since it is smaller than the sum of its proper divisors (31017862788).

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

20020201212 is a wasteful number, since it uses less digits than its factorization.

20020201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230826 (or 230824 counting only the distinct ones).

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

Adding to 20020201212 its reverse (21210202002), we get a palindrome (41230403214).

The spelling of 20020201212 in words is "twenty billion, twenty million, two hundred one thousand, two hundred twelve".