1202312220240 has 40 divisors (see below), whose sum is σ = 3727167883488. Its totient is φ = 320616592000.

The previous prime is 1202312220223. The next prime is 1202312220247. The reversal of 1202312220240 is 420222132021.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202312220247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2504816886 + ... + 2504817365.

Almost surely, 2^{1202312220240} is an apocalyptic number.

1202312220240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202312220240 is an abundant number, since it is smaller than the sum of its proper divisors (2524855663248).

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

1202312220240 is a wasteful number, since it uses less digits than its factorization.

1202312220240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5009634267 (or 5009634261 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1202312220240 its reverse (420222132021), we get a palindrome (1622534352261).

The spelling of 1202312220240 in words is "one trillion, two hundred two billion, three hundred twelve million, two hundred twenty thousand, two hundred forty".