12101026436 has 12 divisors (see below), whose sum is σ = 21183393420. Its totient is φ = 6048628320.

The previous prime is 12101026433. The next prime is 12101026439. The reversal of 12101026436 is 63462010121.

It is an interprime number because it is at equal distance from previous prime (12101026433) and next prime (12101026439).

It can be written as a sum of positive squares in 2 ways, for example, as 7013057536 + 5087968900 = 83744^2 + 71330^2 .

It is not an unprimeable number, because it can be changed into a prime (12101026433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456731 + ... + 482498.

It is an arithmetic number, because the mean of its divisors is an integer number (1765282785).

Almost surely, 2^12101026436 is an apocalyptic number.

It is an amenable number.

12101026436 is a deficient number, since it is larger than the sum of its proper divisors (9082366984).

12101026436 is a wasteful number, since it uses less digits than its factorization.

12101026436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942454 (or 942452 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 12101026436 its reverse (63462010121), we get a palindrome (75563036557).

The spelling of 12101026436 in words is "twelve billion, one hundred one million, twenty-six thousand, four hundred thirty-six".