1213523450010 has 48 divisors (see below), whose sum is σ = 3166803694080. Its totient is φ = 322412127840.

The previous prime is 1213523449993. The next prime is 1213523450021. The reversal of 1213523450010 is 100543253121.

1213523450010 is a `hidden beast` number, since 1 + 2 + 135 + 23 + 4 + 500 + 1 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24853090 + ... + 24901869.

It is an arithmetic number, because the mean of its divisors is an integer number (65975076960).

Almost surely, 2^{1213523450010} is an apocalyptic number.

1213523450010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213523450010 is an abundant number, since it is smaller than the sum of its proper divisors (1953280244070).

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

1213523450010 is a wasteful number, since it uses less digits than its factorization.

1213523450010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49755243 (or 49755240 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 1213523450010 in words is "one trillion, two hundred thirteen billion, five hundred twenty-three million, four hundred fifty thousand, ten".