12221301010100 has 72 divisors (see below), whose sum is σ = 32640274722048. Its totient is φ = 3867840316800.

The previous prime is 12221301010097. The next prime is 12221301010103. The reversal of 12221301010100 is 101010312221.

It is an interprime number because it is at equal distance from previous prime (12221301010097) and next prime (12221301010103).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221301010103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 671490956 + ... + 671509155.

Almost surely, 2^{12221301010100} is an apocalyptic number.

12221301010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12221301010100 is an abundant number, since it is smaller than the sum of its proper divisors (20418973711948).

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

12221301010100 is a wasteful number, since it uses less digits than its factorization.

12221301010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343000145 (or 1343000138 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12221301010100 its reverse (101010312221), we get a palindrome (12322311322321).

The spelling of 12221301010100 in words is "twelve trillion, two hundred twenty-one billion, three hundred one million, ten thousand, one hundred".