1212031030 has 32 divisors (see below), whose sum is σ = 2540372544. Its totient is φ = 407711616.

The previous prime is 1212031027. The next prime is 1212031061. The reversal of 1212031030 is 301302121.

It is a self number, because there is not a number n which added to its sum of digits gives 1212031030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159637 + ... + 167056.

It is an arithmetic number, because the mean of its divisors is an integer number (79386642).

Almost surely, 2^1212031030 is an apocalyptic number.

1212031030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212031030 is an abundant number, since it is smaller than the sum of its proper divisors (1328341514).

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

1212031030 is a wasteful number, since it uses less digits than its factorization.

1212031030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326760.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1212031030 is about 34814.2360249367. The cubic root of 1212031030 is about 1066.1981211476.

Adding to 1212031030 its reverse (301302121), we get a palindrome (1513333151).

The spelling of 1212031030 in words is "one billion, two hundred twelve million, thirty-one thousand, thirty".