1230512230542 has 16 divisors (see below), whose sum is σ = 2812599384192. Its totient is φ = 351574923000.

The previous prime is 1230512230523. The next prime is 1230512230553. The reversal of 1230512230542 is 2450322150321.

It is a super-2 number, since 2×1230512230542² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14648955084 + ... + 14648955167.

It is an arithmetic number, because the mean of its divisors is an integer number (175787461512).

Almost surely, 2^{1230512230542} is an apocalyptic number.

1230512230542 is an abundant number, since it is smaller than the sum of its proper divisors (1582087153650).

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

1230512230542 is a wasteful number, since it uses less digits than its factorization.

1230512230542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29297910263.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 1230512230542 its reverse (2450322150321), we get a palindrome (3680834380863).

The spelling of 1230512230542 in words is "one trillion, two hundred thirty billion, five hundred twelve million, two hundred thirty thousand, five hundred forty-two".