312432214524540 has 96 divisors (see below), whose sum is σ = 957170266101504. Its totient is φ = 75516391695360.

The previous prime is 312432214524461. The next prime is 312432214524601. The reversal of 312432214524540 is 45425412234213.

It is a super-2 number, since 2×312432214524540² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312432214524492 and 312432214524501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 702124974 + ... + 702569813.

It is an arithmetic number, because the mean of its divisors is an integer number (9970523605224).

Almost surely, 2^{312432214524540} is an apocalyptic number.

312432214524540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312432214524540 is an abundant number, since it is smaller than the sum of its proper divisors (644738051576964).

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

312432214524540 is a wasteful number, since it uses less digits than its factorization.

312432214524540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404695147 (or 1404695145 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

Adding to 312432214524540 its reverse (45425412234213), we get a palindrome (357857626758753).

The spelling of 312432214524540 in words is "three hundred twelve trillion, four hundred thirty-two billion, two hundred fourteen million, five hundred twenty-four thousand, five hundred forty".