212133031110020 has 24 divisors (see below), whose sum is σ = 445968365770368. Its totient is φ = 84760069503200.

The previous prime is 212133031109999. The next prime is 212133031110029. The reversal of 212133031110020 is 20011130331212.

It is a happy number.

212133031110020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 212133031109974 and 212133031110001.

It is not an unprimeable number, because it can be changed into a prime (212133031110029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5821415126 + ... + 5821451565.

It is an arithmetic number, because the mean of its divisors is an integer number (18582015240432).

Almost surely, 2^{212133031110020} is an apocalyptic number.

212133031110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212133031110020 is an abundant number, since it is smaller than the sum of its proper divisors (233835334660348).

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

212133031110020 is a wasteful number, since it uses less digits than its factorization.

212133031110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11642867611 (or 11642867609 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 212133031110020 its reverse (20011130331212), we get a palindrome (232144161441232).

The spelling of 212133031110020 in words is "two hundred twelve trillion, one hundred thirty-three billion, thirty-one million, one hundred ten thousand, twenty".