121231202230 has 32 divisors (see below), whose sum is σ = 233211812256. Its totient is φ = 45213433344.

The previous prime is 121231202227. The next prime is 121231202249. The reversal of 121231202230 is 32202132121.

It is a super-4 number, since 4×121231202230⁴ (a number of 45 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121231202198 and 121231202207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3314169 + ... + 3350548.

It is an arithmetic number, because the mean of its divisors is an integer number (7287869133).

Almost surely, 2^121231202230 is an apocalyptic number.

121231202230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121231202230 is a deficient number, since it is larger than the sum of its proper divisors (111980610026).

121231202230 is a wasteful number, since it uses less digits than its factorization.

121231202230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6664848.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121231202230 its reverse (32202132121), we get a palindrome (153433334351).

It can be divided in two parts, 12123120 and 2230, that added together give a triangular number (12125350 = T₄₉₂₄).

The spelling of 121231202230 in words is "one hundred twenty-one billion, two hundred thirty-one million, two hundred two thousand, two hundred thirty".