12212101040 has 40 divisors (see below), whose sum is σ = 29887514160. Its totient is φ = 4627742976.

The previous prime is 12212101009. The next prime is 12212101067. The reversal of 12212101040 is 4010121221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×12212101040² (a number of 21 digits) contains 22 as substring.

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, 4015619 + ... + 4018658.

It is an arithmetic number, because the mean of its divisors is an integer number (747187854).

Almost surely, 2^12212101040 is an apocalyptic number.

12212101040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212101040 is an abundant number, since it is smaller than the sum of its proper divisors (17675413120).

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

12212101040 is a wasteful number, since it uses less digits than its factorization.

12212101040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8034309 (or 8034303 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12212101040 its reverse (4010121221), we get a palindrome (16222222261).

The spelling of 12212101040 in words is "twelve billion, two hundred twelve million, one hundred one thousand, forty".