20120210102 has 8 divisors (see below), whose sum is σ = 30187245576. Its totient is φ = 10057794912.

The previous prime is 20120210069. The next prime is 20120210137. The reversal of 20120210102 is 20101202102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1144163 + ... + 1161614.

It is an arithmetic number, because the mean of its divisors is an integer number (3773405697).

Almost surely, 2^20120210102 is an apocalyptic number.

20120210102 is a deficient number, since it is larger than the sum of its proper divisors (10067035474).

20120210102 is a wasteful number, since it uses less digits than its factorization.

20120210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310142.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20120210102 its reverse (20101202102), we get a palindrome (40221412204).

The spelling of 20120210102 in words is "twenty billion, one hundred twenty million, two hundred ten thousand, one hundred two".