1212100010232 has 128 divisors (see below), whose sum is σ = 3131122176000. Its totient is φ = 390720499200.

The previous prime is 1212100010227. The next prime is 1212100010237. The reversal of 1212100010232 is 2320100012121.

It is an interprime number because it is at equal distance from previous prime (1212100010227) and next prime (1212100010237).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212100010237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266451894 + ... + 266456442.

It is an arithmetic number, because the mean of its divisors is an integer number (24461892000).

Almost surely, 2^{1212100010232} is an apocalyptic number.

1212100010232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1212100010232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1565561088000).

1212100010232 is an abundant number, since it is smaller than the sum of its proper divisors (1919022165768).

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

1212100010232 is a wasteful number, since it uses less digits than its factorization.

1212100010232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6357 (or 6353 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1212100010232 its reverse (2320100012121), we get a palindrome (3532200022353).

The spelling of 1212100010232 in words is "one trillion, two hundred twelve billion, one hundred million, ten thousand, two hundred thirty-two".