42151401212 has 12 divisors (see below), whose sum is σ = 73780871976. Its totient is φ = 21071152080.

The previous prime is 42151401121. The next prime is 42151401233. The reversal of 42151401212 is 21210415124.

It is a congruent number.

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, 1116239 + ... + 1153382.

It is an arithmetic number, because the mean of its divisors is an integer number (6148405998).

Almost surely, 2^42151401212 is an apocalyptic number.

It is an amenable number.

42151401212 is a deficient number, since it is larger than the sum of its proper divisors (31629470764).

42151401212 is a wasteful number, since it uses less digits than its factorization.

42151401212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274268 (or 2274266 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 42151401212 its reverse (21210415124), we get a palindrome (63361816336).

The spelling of 42151401212 in words is "forty-two billion, one hundred fifty-one million, four hundred one thousand, two hundred twelve".