212020010123 has 8 divisors (see below), whose sum is σ = 212837033520. Its totient is φ = 211203358560.

The previous prime is 212020010101. The next prime is 212020010141. The reversal of 212020010123 is 321010020212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212020010123 - 2¹⁰ = 212020009099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212020010098 and 212020010107.

It is not an unprimeable number, because it can be changed into a prime (212020010023) 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, 1077953 + ... + 1259373.

It is an arithmetic number, because the mean of its divisors is an integer number (26604629190).

Almost surely, 2^212020010123 is an apocalyptic number.

212020010123 is a deficient number, since it is larger than the sum of its proper divisors (817023397).

212020010123 is a wasteful number, since it uses less digits than its factorization.

212020010123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185917.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 212020010123 its reverse (321010020212), we get a palindrome (533030030335).

The spelling of 212020010123 in words is "two hundred twelve billion, twenty million, ten thousand, one hundred twenty-three".