1200555843134 has 16 divisors (see below), whose sum is σ = 1813330119600. Its totient is φ = 596114293440.

The previous prime is 1200555843119. The next prime is 1200555843181. The reversal of 1200555843134 is 4313485550021.

It is a super-2 number, since 2×1200555843134² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1200555843091 and 1200555843100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869837 + ... + 1776999.

It is an arithmetic number, because the mean of its divisors is an integer number (113333132475).

Almost surely, 2^{1200555843134} is an apocalyptic number.

1200555843134 is a deficient number, since it is larger than the sum of its proper divisors (612774276466).

1200555843134 is a wasteful number, since it uses less digits than its factorization.

1200555843134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911755.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 1200555843134 in words is "one trillion, two hundred billion, five hundred fifty-five million, eight hundred forty-three thousand, one hundred thirty-four".