1231231002122 has 32 divisors (see below), whose sum is σ = 2185286511744. Its totient is φ = 513882764800.

The previous prime is 1231231002101. The next prime is 1231231002217. The reversal of 1231231002122 is 2212001321321.

It is a junction number, because it is equal to n+sod(n) for n = 1231231002094 and 1231231002103.

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, 40131758 + ... + 40162425.

It is an arithmetic number, because the mean of its divisors is an integer number (68290203492).

Almost surely, 2^{1231231002122} is an apocalyptic number.

1231231002122 is a deficient number, since it is larger than the sum of its proper divisors (954055509622).

1231231002122 is a wasteful number, since it uses less digits than its factorization.

1231231002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80294254.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1231231002122 its reverse (2212001321321), we get a palindrome (3443232323443).

The spelling of 1231231002122 in words is "one trillion, two hundred thirty-one billion, two hundred thirty-one million, two thousand, one hundred twenty-two".