10022012121212 has 96 divisors (see below), whose sum is σ = 22557672087552. Its totient is φ = 3786767652096.

The previous prime is 10022012121169. The next prime is 10022012121239. The reversal of 10022012121212 is 21212121022001.

10022012121212 is a modest number, since divided by 12121212 gives 100220 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4783733 + ... + 6551955.

It is an arithmetic number, because the mean of its divisors is an integer number (234975750912).

Almost surely, 2^{10022012121212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10022012121212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11278836043776).

10022012121212 is an abundant number, since it is smaller than the sum of its proper divisors (12535659966340).

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

10022012121212 is a wasteful number, since it uses less digits than its factorization.

10022012121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768947 (or 1768945 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10022012121212 its reverse (21212121022001), we get a palindrome (31234133143213).

The spelling of 10022012121212 in words is "ten trillion, twenty-two billion, twelve million, one hundred twenty-one thousand, two hundred twelve".