1230221123030 has 64 divisors (see below), whose sum is σ = 2255726346048. Its totient is φ = 483003924480.

The previous prime is 1230221122997. The next prime is 1230221123057. The reversal of 1230221123030 is 303211220321.

It is a junction number, because it is equal to n+sod(n) for n = 1230221122993 and 1230221123011.

It is a congruent number.

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, 61956584 + ... + 61976436.

It is an arithmetic number, because the mean of its divisors is an integer number (35245724157).

Almost surely, 2^{1230221123030} is an apocalyptic number.

1230221123030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230221123030 is a deficient number, since it is larger than the sum of its proper divisors (1025505223018).

1230221123030 is a wasteful number, since it uses less digits than its factorization.

1230221123030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20481.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1230221123030 its reverse (303211220321), we get a palindrome (1533432343351).

The spelling of 1230221123030 in words is "one trillion, two hundred thirty billion, two hundred twenty-one million, one hundred twenty-three thousand, thirty".