201231120212330 has 64 divisors (see below), whose sum is σ = 399161643648768. Its totient is φ = 72570750819840.

The previous prime is 201231120212327. The next prime is 201231120212351. The reversal of 201231120212330 is 33212021132102.

It is a junction number, because it is equal to n+sod(n) for n = 201231120212296 and 201231120212305.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205172462 + ... + 206150918.

It is an arithmetic number, because the mean of its divisors is an integer number (6236900682012).

Almost surely, 2^{201231120212330} is an apocalyptic number.

201231120212330 is a deficient number, since it is larger than the sum of its proper divisors (197930523436438).

201231120212330 is a wasteful number, since it uses less digits than its factorization.

201231120212330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015311.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 201231120212330 its reverse (33212021132102), we get a palindrome (234443141344432).

The spelling of 201231120212330 in words is "two hundred one trillion, two hundred thirty-one billion, one hundred twenty million, two hundred twelve thousand, three hundred thirty".