1212125230 has 16 divisors (see below), whose sum is σ = 2235041424. Its totient is φ = 473024320.

The previous prime is 1212125227. The next prime is 1212125261. The reversal of 1212125230 is 325212121.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1212125198 and 1212125207.

It is a congruent number.

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, 1477792 + ... + 1478611.

It is an arithmetic number, because the mean of its divisors is an integer number (139690089).

Almost surely, 2^1212125230 is an apocalyptic number.

1212125230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212125230 is a deficient number, since it is larger than the sum of its proper divisors (1022916194).

1212125230 is a wasteful number, since it uses less digits than its factorization.

1212125230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2956451.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1212125230 is about 34815.5888934828. The cubic root of 1212125230 is about 1066.2257423494.

Adding to 1212125230 its reverse (325212121), we get a palindrome (1537337351).

The spelling of 1212125230 in words is "one billion, two hundred twelve million, one hundred twenty-five thousand, two hundred thirty".