1001201970950 has 24 divisors (see below), whose sum is σ = 1866659067840. Its totient is φ = 399529519200.

The previous prime is 1001201970949. The next prime is 1001201970959. The reversal of 1001201970950 is 590791021001.

It is a self number, because there is not a number n which added to its sum of digits gives 1001201970950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001201970959) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 23760470 + ... + 23802569.

It is an arithmetic number, because the mean of its divisors is an integer number (77777461160).

Almost surely, 2^{1001201970950} is an apocalyptic number.

1001201970950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001201970950 is a deficient number, since it is larger than the sum of its proper divisors (865457096890).

1001201970950 is a wasteful number, since it uses less digits than its factorization.

1001201970950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47563472 (or 47563467 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 35.

Adding to 1001201970950 its reverse (590791021001), we get a palindrome (1591992991951).

The spelling of 1001201970950 in words is "one trillion, one billion, two hundred one million, nine hundred seventy thousand, nine hundred fifty".