102122020220212 has 12 divisors (see below), whose sum is σ = 178713767054340. Its totient is φ = 51060943918976.

The previous prime is 102122020220147. The next prime is 102122020220243. The reversal of 102122020220212 is 212022020221201.

It can be written as a sum of positive squares in 2 ways, for example, as 42512564667556 + 59609455552656 = 6520166^2 + 7720716^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102122020220212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12991483 + ... + 19313794.

It is an arithmetic number, because the mean of its divisors is an integer number (14892813921195).

Almost surely, 2^{102122020220212} is an apocalyptic number.

It is an amenable number.

102122020220212 is a deficient number, since it is larger than the sum of its proper divisors (76591746834128).

102122020220212 is a wasteful number, since it uses less digits than its factorization.

102122020220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33095570 (or 33095568 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 102122020220212 its reverse (212022020221201), we get a palindrome (314144040441413).

The spelling of 102122020220212 in words is "one hundred two trillion, one hundred twenty-two billion, twenty million, two hundred twenty thousand, two hundred twelve".