4212785429450 has 48 divisors (see below), whose sum is σ = 8439471531960. Its totient is φ = 1555317054720.

The previous prime is 4212785429399. The next prime is 4212785429471. The reversal of 4212785429450 is 549245872124.

It can be written as a sum of positive squares in 12 ways, for example, as 2151197161 + 4210634232289 = 46381^2 + 2051983^2 .

It is a super-2 number, since 2×4212785429450² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4212785429392 and 4212785429401.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5565092 + ... + 6276608.

Almost surely, 2^{4212785429450} is an apocalyptic number.

4212785429450 is an abundant number, since it is smaller than the sum of its proper divisors (4226686102510).

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

4212785429450 is a wasteful number, since it uses less digits than its factorization.

4212785429450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720651 (or 720646 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 53.

The spelling of 4212785429450 in words is "four trillion, two hundred twelve billion, seven hundred eighty-five million, four hundred twenty-nine thousand, four hundred fifty".