2126320455000 has 640 divisors, whose sum is σ = 8014184640000. Its totient is φ = 469224000000.

The previous prime is 2126320454981. The next prime is 2126320455019. The reversal of 2126320455000 is 5540236212.

It is an interprime number because it is at equal distance from previous prime (2126320454981) and next prime (2126320455019).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 149197875 + ... + 149212125.

It is an arithmetic number, because the mean of its divisors is an integer number (12522163500).

Almost surely, 2^{2126320455000} is an apocalyptic number.

2126320455000 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 2126320455000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4007092320000).

2126320455000 is an abundant number, since it is smaller than the sum of its proper divisors (5887864185000).

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

2126320455000 is a wasteful number, since it uses less digits than its factorization.

2126320455000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14330 (or 14297 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 2126320455000 in words is "two trillion, one hundred twenty-six billion, three hundred twenty million, four hundred fifty-five thousand".