102020211212 has 12 divisors (see below), whose sum is σ = 180541385640. Its totient is φ = 50436958176.

The previous prime is 102020211203. The next prime is 102020211233. The reversal of 102020211212 is 212112020201.

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, 143286458 + ... + 143287169.

It is an arithmetic number, because the mean of its divisors is an integer number (15045115470).

Almost surely, 2^102020211212 is an apocalyptic number.

It is an amenable number.

102020211212 is a deficient number, since it is larger than the sum of its proper divisors (78521174428).

102020211212 is a wasteful number, since it uses less digits than its factorization.

102020211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286573720 (or 286573718 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102020211212 its reverse (212112020201), we get a palindrome (314132231413).

The spelling of 102020211212 in words is "one hundred two billion, twenty million, two hundred eleven thousand, two hundred twelve".