42120051352 has 16 divisors (see below), whose sum is σ = 83131680600. Its totient is φ = 19951603200.

The previous prime is 42120051341. The next prime is 42120051359. The reversal of 42120051352 is 25315002124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42120051359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138552649 + ... + 138552952.

Almost surely, 2^42120051352 is an apocalyptic number.

It is an amenable number.

42120051352 is a deficient number, since it is larger than the sum of its proper divisors (41011629248).

42120051352 is a wasteful number, since it uses less digits than its factorization.

42120051352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277105626 (or 277105622 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 42120051352 its reverse (25315002124), we get a palindrome (67435053476).

The spelling of 42120051352 in words is "forty-two billion, one hundred twenty million, fifty-one thousand, three hundred fifty-two".