2121003132000 has 192 divisors, whose sum is σ = 6956820561600. Its totient is φ = 564915916800.

The previous prime is 2121003131903. The next prime is 2121003132041. The reversal of 2121003132000 is 2313001212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9841396 + ... + 10054604.

It is an arithmetic number, because the mean of its divisors is an integer number (36233440425).

Almost surely, 2^{2121003132000} is an apocalyptic number.

2121003132000 is a gapful number since it is divisible by the number (20) 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 2121003132000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3478410280800).

2121003132000 is an abundant number, since it is smaller than the sum of its proper divisors (4835817429600).

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

2121003132000 is a wasteful number, since it uses less digits than its factorization.

2121003132000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214066 (or 214048 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 2121003132000 its reverse (2313001212), we get a palindrome (2123316133212).

The spelling of 2121003132000 in words is "two trillion, one hundred twenty-one billion, three million, one hundred thirty-two thousand".