1001213010432 has 120 divisors (see below), whose sum is σ = 2890139797116. Its totient is φ = 333671694336.

The previous prime is 1001213010383. The next prime is 1001213010433. The reversal of 1001213010432 is 2340103121001.

1001213010432 is a `hidden beast` number, since 10 + 0 + 1 + 213 + 0 + 10 + 432 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 987908772096 + 13304238336 = 993936^2 + 115344^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1001213010433) 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, 26970508 + ... + 27007604.

Almost surely, 2^{1001213010432} is an apocalyptic number.

1001213010432 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 1001213010432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1445069898558).

1001213010432 is an abundant number, since it is smaller than the sum of its proper divisors (1888926786684).

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

1001213010432 is an equidigital number, since it uses as much as digits as its factorization.

1001213010432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42978 (or 42959 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1001213010432 its reverse (2340103121001), we get a palindrome (3341316131433).

The spelling of 1001213010432 in words is "one trillion, one billion, two hundred thirteen million, ten thousand, four hundred thirty-two".