102120202011212 has 96 divisors (see below), whose sum is σ = 224152772207616. Its totient is φ = 39546925804800.

The previous prime is 102120202011167. The next prime is 102120202011251. The reversal of 102120202011212 is 212110202021201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1534662662 + ... + 1534729202.

It is an arithmetic number, because the mean of its divisors is an integer number (2334924710496).

Almost surely, 2^{102120202011212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102120202011212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112076386103808).

102120202011212 is an abundant number, since it is smaller than the sum of its proper divisors (122032570196404).

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

102120202011212 is a wasteful number, since it uses less digits than its factorization.

102120202011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96567 (or 96565 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102120202011212 its reverse (212110202021201), we get a palindrome (314230404032413).

The spelling of 102120202011212 in words is "one hundred two trillion, one hundred twenty billion, two hundred two million, eleven thousand, two hundred twelve".