1211420334120 has 32 divisors (see below), whose sum is σ = 3634261002720. Its totient is φ = 323045422400.

The previous prime is 1211420334119. The next prime is 1211420334133. The reversal of 1211420334120 is 214330241121.

It is a super-3 number, since 3×1211420334120³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 5047584606 + ... + 5047584845.

It is an arithmetic number, because the mean of its divisors is an integer number (113570656335).

Almost surely, 2^{1211420334120} is an apocalyptic number.

1211420334120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1211420334120 is an abundant number, since it is smaller than the sum of its proper divisors (2422840668600).

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

1211420334120 is a wasteful number, since it uses less digits than its factorization.

1211420334120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10095169465 (or 10095169461 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1211420334120 its reverse (214330241121), we get a palindrome (1425750575241).

The spelling of 1211420334120 in words is "one trillion, two hundred eleven billion, four hundred twenty million, three hundred thirty-four thousand, one hundred twenty".