12030253155 has 48 divisors (see below), whose sum is σ = 21958896960. Its totient is φ = 6080811264.

The previous prime is 12030253127. The next prime is 12030253171. The reversal of 12030253155 is 55135203021.

It is a happy number.

12030253155 is a `hidden beast` number, since 120 + 3 + 0 + 2 + 531 + 5 + 5 = 666.

It is not a de Polignac number, because 12030253155 - 2⁶ = 12030253091 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59497 + ... + 166133.

It is an arithmetic number, because the mean of its divisors is an integer number (457477020).

Almost surely, 2^12030253155 is an apocalyptic number.

12030253155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12030253155 is a deficient number, since it is larger than the sum of its proper divisors (9928643805).

12030253155 is a wasteful number, since it uses less digits than its factorization.

12030253155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106780 (or 106777 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 12030253155 its reverse (55135203021), we get a palindrome (67165456176).

The spelling of 12030253155 in words is "twelve billion, thirty million, two hundred fifty-three thousand, one hundred fifty-five".