121320233112130 has 16 divisors (see below), whose sum is σ = 235174605725304. Its totient is φ = 44795162995200.

The previous prime is 121320233112103. The next prime is 121320233112131. The reversal of 121320233112130 is 31211332023121.

It can be written as a sum of positive squares in 4 ways, for example, as 30156253743841 + 91163979368289 = 5491471^2 + 9547983^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121320233112095 and 121320233112104.

It is not an unprimeable number, because it can be changed into a prime (121320233112131) 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, 466616281071 + ... + 466616281330.

Almost surely, 2^{121320233112130} is an apocalyptic number.

121320233112130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121320233112130 is a deficient number, since it is larger than the sum of its proper divisors (113854372613174).

121320233112130 is a wasteful number, since it uses less digits than its factorization.

121320233112130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933232562421.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 121320233112130 its reverse (31211332023121), we get a palindrome (152531565135251).

The spelling of 121320233112130 in words is "one hundred twenty-one trillion, three hundred twenty billion, two hundred thirty-three million, one hundred twelve thousand, one hundred thirty".