202102012212012 has 192 divisors, whose sum is σ = 572190091200000. Its totient is φ = 61180020645120.

The previous prime is 202102012211989. The next prime is 202102012212073. The reversal of 202102012212012 is 210212210201202.

It is a happy number.

202102012212012 is a `hidden beast` number, since 2 + 0 + 210 + 201 + 221 + 20 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4697949439 + ... + 4697992457.

It is an arithmetic number, because the mean of its divisors is an integer number (2980156725000).

Almost surely, 2^{202102012212012} is an apocalyptic number.

202102012212012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202102012212012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286095045600000).

202102012212012 is an abundant number, since it is smaller than the sum of its proper divisors (370088078987988).

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

202102012212012 is a wasteful number, since it uses less digits than its factorization.

202102012212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47021 (or 47013 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 202102012212012 its reverse (210212210201202), we get a palindrome (412314222413214).

The spelling of 202102012212012 in words is "two hundred two trillion, one hundred two billion, twelve million, two hundred twelve thousand, twelve".