202102210202012 has 24 divisors (see below), whose sum is σ = 353860392296880. Its totient is φ = 100999247834240.

The previous prime is 202102210201999. The next prime is 202102210202023. The reversal of 202102210202012 is 210202012201202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118052039 + ... + 119751777.

It is an arithmetic number, because the mean of its divisors is an integer number (14744183012370).

Almost surely, 2^{202102210202012} is an apocalyptic number.

It is an amenable number.

202102210202012 is a deficient number, since it is larger than the sum of its proper divisors (151758182094868).

202102210202012 is a wasteful number, since it uses less digits than its factorization.

202102210202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714981 (or 1714979 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202102210202012 its reverse (210202012201202), we get a palindrome (412304222403214).

The spelling of 202102210202012 in words is "two hundred two trillion, one hundred two billion, two hundred ten million, two hundred two thousand, twelve".