212020412434 has 16 divisors (see below), whose sum is σ = 319136813280. Its totient is φ = 105642109440.

The previous prime is 212020412399. The next prime is 212020412447. The reversal of 212020412434 is 434214020212.

It is a super-3 number, since 3×212020412434³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212020412399 and 212020412408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512377 + ... + 828595.

It is an arithmetic number, because the mean of its divisors is an integer number (19946050830).

Almost surely, 2^212020412434 is an apocalyptic number.

212020412434 is a deficient number, since it is larger than the sum of its proper divisors (107116400846).

212020412434 is a wasteful number, since it uses less digits than its factorization.

212020412434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317385.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 212020412434 its reverse (434214020212), we get a palindrome (646234432646).

The spelling of 212020412434 in words is "two hundred twelve billion, twenty million, four hundred twelve thousand, four hundred thirty-four".