42212510343450 has 72 divisors (see below), whose sum is σ = 113474768183868. Its totient is φ = 11250334563840.

The previous prime is 42212510343431. The next prime is 42212510343481. The reversal of 42212510343450 is 5434301521224.

It is a happy number.

42212510343450 is a `hidden beast` number, since 4 + 2 + 21 + 251 + 0 + 343 + 45 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 14895068704569 + 27317441638881 = 3859413^2 + 5226609^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 25594717 + ... + 27194016.

Almost surely, 2^{42212510343450} is an apocalyptic number.

42212510343450 is an abundant number, since it is smaller than the sum of its proper divisors (71262257840418).

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

42212510343450 is a wasteful number, since it uses less digits than its factorization.

42212510343450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52790528 (or 52790520 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 42212510343450 its reverse (5434301521224), we get a palindrome (47646811864674).

The spelling of 42212510343450 in words is "forty-two trillion, two hundred twelve billion, five hundred ten million, three hundred forty-three thousand, four hundred fifty".