1213020230 has 32 divisors (see below), whose sum is σ = 2398291200. Its totient is φ = 439683552.

The previous prime is 1213020217. The next prime is 1213020241. The reversal of 1213020230 is 320203121.

It is a happy number.

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, 134420 + ... + 143159.

It is an arithmetic number, because the mean of its divisors is an integer number (74946600).

Almost surely, 2^1213020230 is an apocalyptic number.

1213020230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213020230 is a deficient number, since it is larger than the sum of its proper divisors (1185270970).

1213020230 is a wasteful number, since it uses less digits than its factorization.

1213020230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277628.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1213020230 is about 34828.4399593206. The cubic root of 1213020230 is about 1066.4881017280.

Adding to 1213020230 its reverse (320203121), we get a palindrome (1533223351).

The spelling of 1213020230 in words is "one billion, two hundred thirteen million, twenty thousand, two hundred thirty".