136021022155012 has 12 divisors (see below), whose sum is σ = 239245097345100. Its totient is φ = 67665280056416.

The previous prime is 136021022154937. The next prime is 136021022155013. The reversal of 136021022155012 is 210551220120631.

It can be written as a sum of positive squares in 2 ways, for example, as 119060264852676 + 16960757302336 = 10911474^2 + 4118344^2 .

It is a super-3 number, since 3×136021022155012³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (136021022155013) 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, 86307754387 + ... + 86307755962.

It is an arithmetic number, because the mean of its divisors is an integer number (19937091445425).

Almost surely, 2^{136021022155012} is an apocalyptic number.

It is an amenable number.

136021022155012 is a deficient number, since it is larger than the sum of its proper divisors (103224075190088).

136021022155012 is a wasteful number, since it uses less digits than its factorization.

136021022155012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172615510550 (or 172615510548 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 136021022155012 its reverse (210551220120631), we get a palindrome (346572242275643).

The spelling of 136021022155012 in words is "one hundred thirty-six trillion, twenty-one billion, twenty-two million, one hundred fifty-five thousand, twelve".