102021012202212 has 36 divisors (see below), whose sum is σ = 257906211626700. Its totient is φ = 34004397810432.

The previous prime is 102021012202163. The next prime is 102021012202229. The reversal of 102021012202212 is 212202210120201.

It is a happy number.

102021012202212 is a `hidden beast` number, since 1 + 0 + 20 + 210 + 1 + 220 + 2 + 212 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24584778556416 + 77436233645796 = 4958304^2 + 8799786^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 108117753 + ... + 109057280.

It is an arithmetic number, because the mean of its divisors is an integer number (7164061434075).

Almost surely, 2^{102021012202212} is an apocalyptic number.

102021012202212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102021012202212 is an abundant number, since it is smaller than the sum of its proper divisors (155885199424488).

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

102021012202212 is a wasteful number, since it uses less digits than its factorization.

102021012202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217188092 (or 217188087 counting only the distinct ones).

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

Adding to 102021012202212 its reverse (212202210120201), we get a palindrome (314223222322413).

The spelling of 102021012202212 in words is "one hundred two trillion, twenty-one billion, twelve million, two hundred two thousand, two hundred twelve".