387212235442 has 8 divisors (see below), whose sum is σ = 582463731996. Its totient is φ = 193057658112.

The previous prime is 387212235433. The next prime is 387212235451. The reversal of 387212235442 is 244532212783.

It is an interprime number because it is at equal distance from previous prime (387212235433) and next prime (387212235451).

It can be written as a sum of positive squares in 2 ways, for example, as 330143325561 + 57068909881 = 574581^2 + 238891^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274228923 + ... + 274230334.

Almost surely, 2^387212235442 is an apocalyptic number.

387212235442 is a deficient number, since it is larger than the sum of its proper divisors (195251496554).

387212235442 is a wasteful number, since it uses less digits than its factorization.

387212235442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548459612.

The product of its digits is 645120, while the sum is 43.

The spelling of 387212235442 in words is "three hundred eighty-seven billion, two hundred twelve million, two hundred thirty-five thousand, four hundred forty-two".