121230002131 has 8 divisors (see below), whose sum is σ = 140302353920. Its totient is φ = 102596095368.

The previous prime is 121230002119. The next prime is 121230002137. The reversal of 121230002131 is 131200032121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121230002131 - 2¹¹ = 121230000083 is a prime.

It is a super-2 number, since 2×121230002131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121230002137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109610661 + ... + 109611766.

It is an arithmetic number, because the mean of its divisors is an integer number (17537794240).

Almost surely, 2^121230002131 is an apocalyptic number.

121230002131 is a deficient number, since it is larger than the sum of its proper divisors (19072351789).

121230002131 is an equidigital number, since it uses as much as digits as its factorization.

121230002131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219222513.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121230002131 its reverse (131200032121), we get a palindrome (252430034252).

The spelling of 121230002131 in words is "one hundred twenty-one billion, two hundred thirty million, two thousand, one hundred thirty-one".