43013020102122 has 192 divisors, whose sum is σ = 108096519375360. Its totient is φ = 11335343652864.

The previous prime is 43013020102099. The next prime is 43013020102163. The reversal of 43013020102122 is 22120102031034.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 49837023 + ... + 50692749.

It is an arithmetic number, because the mean of its divisors is an integer number (563002705080).

Almost surely, 2^{43013020102122} is an apocalyptic number.

43013020102122 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 43013020102122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54048259687680).

43013020102122 is an abundant number, since it is smaller than the sum of its proper divisors (65083499273238).

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

43013020102122 is a wasteful number, since it uses less digits than its factorization.

43013020102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855965 (or 855958 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 43013020102122 its reverse (22120102031034), we get a palindrome (65133122133156).

The spelling of 43013020102122 in words is "forty-three trillion, thirteen billion, twenty million, one hundred two thousand, one hundred twenty-two".