2121402615000 has 160 divisors (see below), whose sum is σ = 6630543984240. Its totient is φ = 565427200000.

The previous prime is 2121402614951. The next prime is 2121402615067. The reversal of 2121402615000 is 5162041212.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 31181020 + ... + 31248980.

Almost surely, 2^{2121402615000} is an apocalyptic number.

2121402615000 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 2121402615000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3315271992120).

2121402615000 is an abundant number, since it is smaller than the sum of its proper divisors (4509141369240).

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

2121402615000 is a wasteful number, since it uses less digits than its factorization.

2121402615000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70071 (or 70052 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 2121402615000 its reverse (5162041212), we get a palindrome (2126564656212).

The spelling of 2121402615000 in words is "two trillion, one hundred twenty-one billion, four hundred two million, six hundred fifteen thousand".