1212435106 has 12 divisors (see below), whose sum is σ = 1919410182. Its totient is φ = 574311024.

The previous prime is 1212435097. The next prime is 1212435127. The reversal of 1212435106 is 6015342121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 855036081 + 357399025 = 29241^2 + 18905^2 .

It is a super-2 number, since 2×1212435106² = 2939997772522462472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 838915 + ... + 840358.

Almost surely, 2^1212435106 is an apocalyptic number.

1212435106 is a deficient number, since it is larger than the sum of its proper divisors (706975076).

1212435106 is a wasteful number, since it uses less digits than its factorization.

1212435106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679313 (or 1679294 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1212435106 is about 34820.0388569571. The cubic root of 1212435106 is about 1066.3165936930.

Adding to 1212435106 its reverse (6015342121), we get a palindrome (7227777227).

The spelling of 1212435106 in words is "one billion, two hundred twelve million, four hundred thirty-five thousand, one hundred six".