1201210300040 has 32 divisors (see below), whose sum is σ = 2702780633880. Its totient is φ = 480473905152.

The previous prime is 1201210300007. The next prime is 1201210300057. The reversal of 1201210300040 is 400030121021.

It can be written as a sum of positive squares in 4 ways, for example, as 1052089209796 + 149121090244 = 1025714^2 + 386162^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1201210299988 and 1201210300024.

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, 1751672 + ... + 2338968.

Almost surely, 2^{1201210300040} is an apocalyptic number.

1201210300040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201210300040 is an abundant number, since it is smaller than the sum of its proper divisors (1501570333840).

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

1201210300040 is a wasteful number, since it uses less digits than its factorization.

1201210300040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638441 (or 638437 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1201210300040 its reverse (400030121021), we get a palindrome (1601240421061).

The spelling of 1201210300040 in words is "one trillion, two hundred one billion, two hundred ten million, three hundred thousand, forty".