1201242023240 has 64 divisors (see below), whose sum is σ = 3154629542400. Its totient is φ = 403091543808.

The previous prime is 1201242023227. The next prime is 1201242023251. The reversal of 1201242023240 is 423202421021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45626735 + ... + 45653054.

It is an arithmetic number, because the mean of its divisors is an integer number (49291086600).

Almost surely, 2^{1201242023240} is an apocalyptic number.

1201242023240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201242023240 is an abundant number, since it is smaller than the sum of its proper divisors (1953387519160).

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

1201242023240 is a wasteful number, since it uses less digits than its factorization.

1201242023240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91279854 (or 91279850 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 1201242023240 its reverse (423202421021), we get a palindrome (1624444444261).

The spelling of 1201242023240 in words is "one trillion, two hundred one billion, two hundred forty-two million, twenty-three thousand, two hundred forty".