136122012 has 48 divisors (see below), whose sum is σ = 380059680. Its totient is φ = 41883264.

The previous prime is 136121963. The next prime is 136122013. The reversal of 136122012 is 210221631.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136122013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47073 + ... + 49880.

It is an arithmetic number, because the mean of its divisors is an integer number (7917910).

Almost surely, 2^136122012 is an apocalyptic number.

136122012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136122012 is an abundant number, since it is smaller than the sum of its proper divisors (243937668).

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

136122012 is a wasteful number, since it uses less digits than its factorization.

136122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96979 (or 96971 counting only the distinct ones).

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

The square root of 136122012 is about 11667.1338382655. The cubic root of 136122012 is about 514.4100600122.

Adding to 136122012 its reverse (210221631), we get a palindrome (346343643).

The spelling of 136122012 in words is "one hundred thirty-six million, one hundred twenty-two thousand, twelve".