1201023412434 has 12 divisors (see below), whose sum is σ = 2602217393646. Its totient is φ = 400341137472.

The previous prime is 1201023412427. The next prime is 1201023412447. The reversal of 1201023412434 is 4342143201021.

1201023412434 is a `hidden beast` number, since 1 + 201 + 0 + 2 + 3 + 412 + 43 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 903231648225 + 297791764209 = 950385^2 + 545703^2 .

It is a super-2 number, since 2×1201023412434² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201023412398 and 1201023412407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33361761439 + ... + 33361761474.

Almost surely, 2^{1201023412434} is an apocalyptic number.

1201023412434 is an abundant number, since it is smaller than the sum of its proper divisors (1401193981212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201023412434 is a wasteful number, since it uses less digits than its factorization.

1201023412434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66723522921 (or 66723522918 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1201023412434 its reverse (4342143201021), we get a palindrome (5543166613455).

The spelling of 1201023412434 in words is "one trillion, two hundred one billion, twenty-three million, four hundred twelve thousand, four hundred thirty-four".