20212040122043 has 16 divisors (see below), whose sum is σ = 25206367073280. Its totient is φ = 15745303886400.

The previous prime is 20212040122037. The next prime is 20212040122073. The reversal of 20212040122043 is 34022104021202.

It is not a de Polignac number, because 20212040122043 - 2¹² = 20212040117947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212040122033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35866658 + ... + 36425831.

It is an arithmetic number, because the mean of its divisors is an integer number (1575397942080).

Almost surely, 2^{20212040122043} is an apocalyptic number.

20212040122043 is a deficient number, since it is larger than the sum of its proper divisors (4994326951237).

20212040122043 is a wasteful number, since it uses less digits than its factorization.

20212040122043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72296138.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20212040122043 its reverse (34022104021202), we get a palindrome (54234144143245).

The spelling of 20212040122043 in words is "twenty trillion, two hundred twelve billion, forty million, one hundred twenty-two thousand, forty-three".