12202111012 has 96 divisors (see below), whose sum is σ = 27903149568. Its totient is φ = 4530898944.

The previous prime is 12202111007. The next prime is 12202111067. The reversal of 12202111012 is 21011120221.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 12202110983 and 12202111001.

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, 2454153 + ... + 2459119.

It is an arithmetic number, because the mean of its divisors is an integer number (290657808).

Almost surely, 2^12202111012 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 12202111012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13951574784).

12202111012 is an abundant number, since it is smaller than the sum of its proper divisors (15701038556).

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

12202111012 is a wasteful number, since it uses less digits than its factorization.

12202111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5405 (or 5403 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12202111012 its reverse (21011120221), we get a palindrome (33213231233).

The spelling of 12202111012 in words is "twelve billion, two hundred two million, one hundred eleven thousand, twelve".