20010212102 has 16 divisors (see below), whose sum is σ = 31599167040. Its totient is φ = 9477292968.

The previous prime is 20010212093. The next prime is 20010212147. The reversal of 20010212102 is 20121201002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307253 + ... + 366639.

It is an arithmetic number, because the mean of its divisors is an integer number (1974947940).

Almost surely, 2^20010212102 is an apocalyptic number.

20010212102 is a deficient number, since it is larger than the sum of its proper divisors (11588954938).

20010212102 is a wasteful number, since it uses less digits than its factorization.

20010212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68275.

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

Adding to 20010212102 its reverse (20121201002), we get a palindrome (40131413104).

The spelling of 20010212102 in words is "twenty billion, ten million, two hundred twelve thousand, one hundred two".