1213240130 has 16 divisors (see below), whose sum is σ = 2211477120. Its totient is φ = 479152752.

The previous prime is 1213240129. The next prime is 1213240159. The reversal of 1213240130 is 310423121.

It is a super-2 number, since 2×1213240130² = 2943903226084833800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1213240099 and 1213240108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767084 + ... + 768663.

It is an arithmetic number, because the mean of its divisors is an integer number (138217320).

Almost surely, 2^1213240130 is an apocalyptic number.

1213240130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213240130 is a deficient number, since it is larger than the sum of its proper divisors (998236990).

1213240130 is a wasteful number, since it uses less digits than its factorization.

1213240130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535833.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1213240130 is about 34831.5967190710. The cubic root of 1213240130 is about 1066.5525432373.

Adding to 1213240130 its reverse (310423121), we get a palindrome (1523663251).

The spelling of 1213240130 in words is "one billion, two hundred thirteen million, two hundred forty thousand, one hundred thirty".