1201132421330 has 16 divisors (see below), whose sum is σ = 2173013175960. Its totient is φ = 478014120192.

The previous prime is 1201132421267. The next prime is 1201132421341. The reversal of 1201132421330 is 331242311021.

It can be written as a sum of positive squares in 4 ways, for example, as 1160150872609 + 40981548721 = 1077103^2 + 202439^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1201132421296 and 1201132421305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304853975 + ... + 304857914.

Almost surely, 2^{1201132421330} is an apocalyptic number.

1201132421330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201132421330 is a deficient number, since it is larger than the sum of its proper divisors (971880754630).

1201132421330 is a wasteful number, since it uses less digits than its factorization.

1201132421330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609712093.

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

Adding to 1201132421330 its reverse (331242311021), we get a palindrome (1532374732351).

The spelling of 1201132421330 in words is "one trillion, two hundred one billion, one hundred thirty-two million, four hundred twenty-one thousand, three hundred thirty".