1042100212 has 12 divisors (see below), whose sum is σ = 1826953380. Its totient is φ = 520113536.

The previous prime is 1042100179. The next prime is 1042100233. The reversal of 1042100212 is 2120012401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 566249616 + 475850596 = 23796^2 + 21814^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1042100192 and 1042100201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231637 + ... + 236092.

It is an arithmetic number, because the mean of its divisors is an integer number (152246115).

Almost surely, 2^1042100212 is an apocalyptic number.

It is an amenable number.

1042100212 is a deficient number, since it is larger than the sum of its proper divisors (784853168).

1042100212 is a wasteful number, since it uses less digits than its factorization.

1042100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468290 (or 468288 counting only the distinct ones).

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

The square root of 1042100212 is about 32281.5769751107. The cubic root of 1042100212 is about 1013.8409483047.

Adding to 1042100212 its reverse (2120012401), we get a palindrome (3162112613).

The spelling of 1042100212 in words is "one billion, forty-two million, one hundred thousand, two hundred twelve".