212123112002124 has 24 divisors (see below), whose sum is σ = 524068864946928. Its totient is φ = 66548427294720.

The previous prime is 212123112002071. The next prime is 212123112002147. The reversal of 212123112002124 is 421200211321212.

It is a super-2 number, since 2×212123112002124² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212123112002094 and 212123112002103.

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, 519909588037 + ... + 519909588444.

It is an arithmetic number, because the mean of its divisors is an integer number (21836202706122).

Almost surely, 2^{212123112002124} is an apocalyptic number.

It is an amenable number.

212123112002124 is an abundant number, since it is smaller than the sum of its proper divisors (311945752944804).

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

212123112002124 is a wasteful number, since it uses less digits than its factorization.

212123112002124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039819176505 (or 1039819176503 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 212123112002124 its reverse (421200211321212), we get a palindrome (633323323323336).

The spelling of 212123112002124 in words is "two hundred twelve trillion, one hundred twenty-three billion, one hundred twelve million, two thousand, one hundred twenty-four".