1212355050 has 48 divisors (see below), whose sum is σ = 3010468032. Its totient is φ = 322883200.

The previous prime is 1212355031. The next prime is 1212355057. The reversal of 1212355050 is 505532121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1212355050.

It is not an unprimeable number, because it can be changed into a prime (1212355057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123835 + ... + 133265.

It is an arithmetic number, because the mean of its divisors is an integer number (62718084).

Almost surely, 2^1212355050 is an apocalyptic number.

1212355050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212355050 is an abundant number, since it is smaller than the sum of its proper divisors (1798112982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212355050 is a wasteful number, since it uses less digits than its factorization.

1212355050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10303 (or 10298 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1212355050 is about 34818.8892700500. The cubic root of 1212355050 is about 1066.2931238677.

Adding to 1212355050 its reverse (505532121), we get a palindrome (1717887171).

The spelling of 1212355050 in words is "one billion, two hundred twelve million, three hundred fifty-five thousand, fifty".