212020123133 has 32 divisors (see below), whose sum is σ = 279795317760. Its totient is φ = 155885783040.

The previous prime is 212020123123. The next prime is 212020123151. The reversal of 212020123133 is 331321020212.

It is not a de Polignac number, because 212020123133 - 2⁸ = 212020122877 is a prime.

It is a super-2 number, since 2×212020123133² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020123123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 745208 + ... + 989633.

It is an arithmetic number, because the mean of its divisors is an integer number (8743603680).

Almost surely, 2^212020123133 is an apocalyptic number.

It is an amenable number.

212020123133 is a deficient number, since it is larger than the sum of its proper divisors (67775194627).

212020123133 is a wasteful number, since it uses less digits than its factorization.

212020123133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734957.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212020123133 its reverse (331321020212), we get a palindrome (543341143345).

The spelling of 212020123133 in words is "two hundred twelve billion, twenty million, one hundred twenty-three thousand, one hundred thirty-three".