1201123201030 has 32 divisors (see below), whose sum is σ = 2215426217760. Its totient is φ = 468588737280.

The previous prime is 1201123201027. The next prime is 1201123201049. The reversal of 1201123201030 is 301023211021.

It is a junction number, because it is equal to n+sod(n) for n = 1201123200995 and 1201123201013.

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, 912936 + ... + 1798804.

It is an arithmetic number, because the mean of its divisors is an integer number (69232069305).

Almost surely, 2^{1201123201030} is an apocalyptic number.

1201123201030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201123201030 is a deficient number, since it is larger than the sum of its proper divisors (1014303016730).

1201123201030 is a wasteful number, since it uses less digits than its factorization.

1201123201030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889224.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1201123201030 its reverse (301023211021), we get a palindrome (1502146412051).

Subtracting from 1201123201030 its reverse (301023211021), we obtain a palindrome (900099990009).

The spelling of 1201123201030 in words is "one trillion, two hundred one billion, one hundred twenty-three million, two hundred one thousand, thirty".