102121002212 has 12 divisors (see below), whose sum is σ = 178715935020. Its totient is φ = 51059306496.

The previous prime is 102121002211. The next prime is 102121002227. The reversal of 102121002212 is 212200121201.

It can be written as a sum of positive squares in 2 ways, for example, as 24779167396 + 77341834816 = 157414^2 + 278104^2 .

It is not an unprimeable number, because it can be changed into a prime (102121002211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90137 + ... + 460832.

It is an arithmetic number, because the mean of its divisors is an integer number (14892994585).

Almost surely, 2^102121002212 is an apocalyptic number.

It is an amenable number.

102121002212 is a deficient number, since it is larger than the sum of its proper divisors (76594932808).

102121002212 is a wasteful number, since it uses less digits than its factorization.

102121002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597310 (or 597308 counting only the distinct ones).

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

Adding to 102121002212 its reverse (212200121201), we get a palindrome (314321123413).

The spelling of 102121002212 in words is "one hundred two billion, one hundred twenty-one million, two thousand, two hundred twelve".