102022101212212 has 12 divisors (see below), whose sum is σ = 178538911050276. Its totient is φ = 51010983769280.

The previous prime is 102022101212179. The next prime is 102022101212231. The reversal of 102022101212212 is 212212101220201.

It can be written as a sum of positive squares in 2 ways, for example, as 76103046374436 + 25919054837776 = 8723706^2 + 5091076^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102022101212212.

It is a congruent number.

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, 13192489 + ... + 19444432.

It is an arithmetic number, because the mean of its divisors is an integer number (14878242587523).

Almost surely, 2^{102022101212212} is an apocalyptic number.

It is an amenable number.

102022101212212 is a deficient number, since it is larger than the sum of its proper divisors (76516809838064).

102022101212212 is a wasteful number, since it uses less digits than its factorization.

102022101212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33418418 (or 33418416 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102022101212212 its reverse (212212101220201), we get a palindrome (314234202432413).

The spelling of 102022101212212 in words is "one hundred two trillion, twenty-two billion, one hundred one million, two hundred twelve thousand, two hundred twelve".