20122012102 has 4 divisors (see below), whose sum is σ = 30183018156. Its totient is φ = 10061006050.

The previous prime is 20122012069. The next prime is 20122012121. The reversal of 20122012102 is 20121022102.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5030503024 + ... + 5030503027.

It is an arithmetic number, because the mean of its divisors is an integer number (7545754539).

Almost surely, 2^20122012102 is an apocalyptic number.

20122012102 is a deficient number, since it is larger than the sum of its proper divisors (10061006054).

20122012102 is a wasteful number, since it uses less digits than its factorization.

20122012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10061006053.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20122012102 its reverse (20121022102), we get a palindrome (40243034204).

The spelling of 20122012102 in words is "twenty billion, one hundred twenty-two million, twelve thousand, one hundred two".