121626200150 has 72 divisors (see below), whose sum is σ = 283402486080. Its totient is φ = 38492677440.

The previous prime is 121626200149. The next prime is 121626200153. The reversal of 121626200150 is 51002626121.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121626200153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1877510 + ... + 1941209.

It is an arithmetic number, because the mean of its divisors is an integer number (3936145640).

Almost surely, 2^121626200150 is an apocalyptic number.

121626200150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121626200150 is an abundant number, since it is smaller than the sum of its proper divisors (161776285930).

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

121626200150 is a wasteful number, since it uses less digits than its factorization.

121626200150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3818758 (or 3818746 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 121626200150 its reverse (51002626121), we get a palindrome (172628826271).

The spelling of 121626200150 in words is "one hundred twenty-one billion, six hundred twenty-six million, two hundred thousand, one hundred fifty".