121011420000 has 120 divisors (see below), whose sum is σ = 396941856696. Its totient is φ = 32269696000.

The previous prime is 121011419993. The next prime is 121011420017. The reversal of 121011420000 is 24110121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 948429 + ... + 1068428.

Almost surely, 2^121011420000 is an apocalyptic number.

121011420000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121011420000 is an abundant number, since it is smaller than the sum of its proper divisors (275930436696).

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

121011420000 is an equidigital number, since it uses as much as digits as its factorization.

121011420000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016890 (or 2016867 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121011420000 its reverse (24110121), we get a palindrome (121035530121).

The spelling of 121011420000 in words is "one hundred twenty-one billion, eleven million, four hundred twenty thousand".