121352102152 has 16 divisors (see below), whose sum is σ = 227543780160. Its totient is φ = 60673760784.

The previous prime is 121352102149. The next prime is 121352102153. The reversal of 121352102152 is 251201253121.

It is a happy number.

It is a super-2 number, since 2×121352102152² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121352102153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49588 + ... + 495139.

It is an arithmetic number, because the mean of its divisors is an integer number (14221486260).

Almost surely, 2^121352102152 is an apocalyptic number.

It is an amenable number.

121352102152 is a deficient number, since it is larger than the sum of its proper divisors (106191678008).

121352102152 is a wasteful number, since it uses less digits than its factorization.

121352102152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572580 (or 572576 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 121352102152 its reverse (251201253121), we get a palindrome (372553355273).

The spelling of 121352102152 in words is "one hundred twenty-one billion, three hundred fifty-two million, one hundred two thousand, one hundred fifty-two".