126420212 has 12 divisors (see below), whose sum is σ = 221325216. Its totient is φ = 63184440.

The previous prime is 126420209. The next prime is 126420221. The reversal of 126420212 is 212024621.

It is a happy number.

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, 8537 + ... + 18047.

It is an arithmetic number, because the mean of its divisors is an integer number (18443768).

Almost surely, 2^126420212 is an apocalyptic number.

It is an amenable number.

126420212 is a deficient number, since it is larger than the sum of its proper divisors (94905004).

126420212 is a wasteful number, since it uses less digits than its factorization.

126420212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12838 (or 12836 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 126420212 is about 11243.6743104734. The cubic root of 126420212 is about 501.8864893641.

Adding to 126420212 its reverse (212024621), we get a palindrome (338444833).

The spelling of 126420212 in words is "one hundred twenty-six million, four hundred twenty thousand, two hundred twelve".