2021003431412 has 48 divisors (see below), whose sum is σ = 4126438243200. Its totient is φ = 865736625600.

The previous prime is 2021003431367. The next prime is 2021003431429. The reversal of 2021003431412 is 2141343001202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2578112 + ... + 3269352.

It is an arithmetic number, because the mean of its divisors is an integer number (85967463400).

Almost surely, 2^{2021003431412} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021003431412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2063219121600).

2021003431412 is an abundant number, since it is smaller than the sum of its proper divisors (2105434811788).

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

2021003431412 is a wasteful number, since it uses less digits than its factorization.

2021003431412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693397 (or 693381 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2021003431412 its reverse (2141343001202), we get a palindrome (4162346432614).

The spelling of 2021003431412 in words is "two trillion, twenty-one billion, three million, four hundred thirty-one thousand, four hundred twelve".