12101231034 has 20 divisors (see below), whose sum is σ = 27115721754. Its totient is φ = 4033743624.

The previous prime is 12101231029. The next prime is 12101231039. The reversal of 12101231034 is 43013210121.

It is an interprime number because it is at equal distance from previous prime (12101231029) and next prime (12101231039).

It can be written as a sum of positive squares in only one way, i.e., 7966098009 + 4135133025 = 89253^2 + 64305^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12101230998 and 12101231016.

It is not an unprimeable number, because it can be changed into a prime (12101231039) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 37349317 + ... + 37349640.

Almost surely, 2^12101231034 is an apocalyptic number.

12101231034 is an abundant number, since it is smaller than the sum of its proper divisors (15014490720).

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

12101231034 is an equidigital number, since it uses as much as digits as its factorization.

12101231034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74698971 (or 74698962 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12101231034 its reverse (43013210121), we get a palindrome (55114441155).

The spelling of 12101231034 in words is "twelve billion, one hundred one million, two hundred thirty-one thousand, thirty-four".