12221001211032 has 48 divisors (see below), whose sum is σ = 33143333379000. Its totient is φ = 4068154647936.

The previous prime is 12221001211031. The next prime is 12221001211033. The reversal of 12221001211032 is 23011210012221.

It is an interprime number because it is at equal distance from previous prime (12221001211031) and next prime (12221001211033).

It is a super-2 number, since 2×12221001211032² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12221001210996 and 12221001211014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221001211031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114788557 + ... + 114894972.

Almost surely, 2^{12221001211032} is an apocalyptic number.

12221001211032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12221001211032 is an abundant number, since it is smaller than the sum of its proper divisors (20922332167968).

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

12221001211032 is a wasteful number, since it uses less digits than its factorization.

12221001211032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229684280 (or 229684273 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12221001211032 its reverse (23011210012221), we get a palindrome (35232211223253).

The spelling of 12221001211032 in words is "twelve trillion, two hundred twenty-one billion, one million, two hundred eleven thousand, thirty-two".