1213543001010 has 32 divisors (see below), whose sum is σ = 2927593906560. Its totient is φ = 321934722048.

The previous prime is 1213543000981. The next prime is 1213543001101. The reversal of 1213543001010 is 101003453121.

It is a super-2 number, since 2×1213543001010² (a number of 25 digits) contains 22 as substring.

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, 104790670 + ... + 104802249.

It is an arithmetic number, because the mean of its divisors is an integer number (91487309580).

Almost surely, 2^{1213543001010} is an apocalyptic number.

1213543001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213543001010 is an abundant number, since it is smaller than the sum of its proper divisors (1714050905550).

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

1213543001010 is a wasteful number, since it uses less digits than its factorization.

1213543001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209593122.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 1213543001010 its reverse (101003453121), we get a palindrome (1314546454131).

The spelling of 1213543001010 in words is "one trillion, two hundred thirteen billion, five hundred forty-three million, one thousand, ten".