42124605212 has 48 divisors (see below), whose sum is σ = 76895723520. Its totient is φ = 20178148032.

The previous prime is 42124605209. The next prime is 42124605241. The reversal of 42124605212 is 21250642124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1688453 + ... + 1713219.

It is an arithmetic number, because the mean of its divisors is an integer number (1601994240).

Almost surely, 2^42124605212 is an apocalyptic number.

It is an amenable number.

42124605212 is a deficient number, since it is larger than the sum of its proper divisors (34771118308).

42124605212 is a wasteful number, since it uses less digits than its factorization.

42124605212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25010 (or 25008 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 42124605212 in words is "forty-two billion, one hundred twenty-four million, six hundred five thousand, two hundred twelve".