20102213113212 has 48 divisors (see below), whose sum is σ = 47362139016192. Its totient is φ = 6635459904960.

The previous prime is 20102213113183. The next prime is 20102213113223. The reversal of 20102213113212 is 21231131220102.

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, 38958262 + ... + 39470882.

It is an arithmetic number, because the mean of its divisors is an integer number (986711229504).

Almost surely, 2^{20102213113212} is an apocalyptic number.

It is an amenable number.

20102213113212 is an abundant number, since it is smaller than the sum of its proper divisors (27259925902980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20102213113212 is a wasteful number, since it uses less digits than its factorization.

20102213113212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544458 (or 544456 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 20102213113212 its reverse (21231131220102), we get a palindrome (41333344333314).

The spelling of 20102213113212 in words is "twenty trillion, one hundred two billion, two hundred thirteen million, one hundred thirteen thousand, two hundred twelve".