121011240215052 has 72 divisors (see below), whose sum is σ = 338268863346960. Its totient is φ = 36167743019520.

The previous prime is 121011240215039. The next prime is 121011240215077. The reversal of 121011240215052 is 250512042110121.

121011240215052 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 112 + 40 + 2 + 1 + 505 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2093011777 + ... + 2093069592.

Almost surely, 2^{121011240215052} is an apocalyptic number.

121011240215052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121011240215052 is an abundant number, since it is smaller than the sum of its proper divisors (217257623131908).

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

121011240215052 is a wasteful number, since it uses less digits than its factorization.

121011240215052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4186081463 (or 4186081458 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

Adding to 121011240215052 its reverse (250512042110121), we get a palindrome (371523282325173).

The spelling of 121011240215052 in words is "one hundred twenty-one trillion, eleven billion, two hundred forty million, two hundred fifteen thousand, fifty-two".