1213452421410 has 64 divisors (see below), whose sum is σ = 2969675654400. Its totient is φ = 317272876800.

The previous prime is 1213452421409. The next prime is 1213452421421. The reversal of 1213452421410 is 141242543121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1631985 + ... + 2256164.

It is an arithmetic number, because the mean of its divisors is an integer number (46401182100).

Almost surely, 2^{1213452421410} is an apocalyptic number.

1213452421410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213452421410 is an abundant number, since it is smaller than the sum of its proper divisors (1756223232990).

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

1213452421410 is a wasteful number, since it uses less digits than its factorization.

1213452421410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888363.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 1213452421410 its reverse (141242543121), we get a palindrome (1354694964531).

The spelling of 1213452421410 in words is "one trillion, two hundred thirteen billion, four hundred fifty-two million, four hundred twenty-one thousand, four hundred ten".