123212002203240 has 32 divisors (see below), whose sum is σ = 369636006610080. Its totient is φ = 32856533920832.

The previous prime is 123212002203151. The next prime is 123212002203259. The reversal of 123212002203240 is 42302200212321.

123212002203240 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×123212002203240² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 123212002203240.

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, 513383342394 + ... + 513383342633.

It is an arithmetic number, because the mean of its divisors is an integer number (11551125206565).

Almost surely, 2^{123212002203240} is an apocalyptic number.

123212002203240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123212002203240 is an abundant number, since it is smaller than the sum of its proper divisors (246424004406840).

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

123212002203240 is a wasteful number, since it uses less digits than its factorization.

123212002203240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026766685041 (or 1026766685037 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 123212002203240 its reverse (42302200212321), we get a palindrome (165514202415561).

The spelling of 123212002203240 in words is "one hundred twenty-three trillion, two hundred twelve billion, two million, two hundred three thousand, two hundred forty".