10122012220102 has 4 divisors (see below), whose sum is σ = 15183018330156. Its totient is φ = 5061006110050.

The previous prime is 10122012220051. The next prime is 10122012220109. The reversal of 10122012220102 is 20102221022101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122012220109) by changing a digit.

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 as a sum of consecutive naturals, namely, 2530503055024 + ... + 2530503055027.

It is an arithmetic number, because the mean of its divisors is an integer number (3795754582539).

Almost surely, 2^{10122012220102} is an apocalyptic number.

10122012220102 is a deficient number, since it is larger than the sum of its proper divisors (5061006110054).

10122012220102 is an equidigital number, since it uses as much as digits as its factorization.

10122012220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5061006110053.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10122012220102 its reverse (20102221022101), we get a palindrome (30224233242203).

The spelling of 10122012220102 in words is "ten trillion, one hundred twenty-two billion, twelve million, two hundred twenty thousand, one hundred two".