20210212102 has 32 divisors (see below), whose sum is σ = 33534093312. Its totient is φ = 9086335104.

The previous prime is 20210212097. The next prime is 20210212117. The reversal of 20210212102 is 20121201202.

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 15 ways as a sum of consecutive naturals, for example, 659893 + ... + 689839.

It is an arithmetic number, because the mean of its divisors is an integer number (1047940416).

Almost surely, 2^20210212102 is an apocalyptic number.

20210212102 is a deficient number, since it is larger than the sum of its proper divisors (13323881210).

20210212102 is a wasteful number, since it uses less digits than its factorization.

20210212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30852.

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

Adding to 20210212102 its reverse (20121201202), we get a palindrome (40331413304).

The spelling of 20210212102 in words is "twenty billion, two hundred ten million, two hundred twelve thousand, one hundred two".