1212010042 has 8 divisors (see below), whose sum is σ = 1852317396. Its totient is φ = 594570912.

The previous prime is 1212010039. The next prime is 1212010067. The reversal of 1212010042 is 2400102121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1157972841 + 54037201 = 34029^2 + 7351^2 .

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, 5716923 + ... + 5717134.

Almost surely, 2^1212010042 is an apocalyptic number.

1212010042 is a deficient number, since it is larger than the sum of its proper divisors (640307354).

1212010042 is a wasteful number, since it uses less digits than its factorization.

1212010042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11434112.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1212010042 is about 34813.9345952163. The cubic root of 1212010042 is about 1066.1919668785.

Adding to 1212010042 its reverse (2400102121), we get a palindrome (3612112163).

The spelling of 1212010042 in words is "one billion, two hundred twelve million, ten thousand, forty-two".