2121502146000 has 80 divisors (see below), whose sum is σ = 6839722938048. Its totient is φ = 565733904000.

The previous prime is 2121502145993. The next prime is 2121502146059. The reversal of 2121502146000 is 6412051212.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is a congruent number.

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, 176785846 + ... + 176797845.

Almost surely, 2^{2121502146000} is an apocalyptic number.

2121502146000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2121502146000 is an abundant number, since it is smaller than the sum of its proper divisors (4718220792048).

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

2121502146000 is a wasteful number, since it uses less digits than its factorization.

2121502146000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353583717 (or 353583701 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 2121502146000 its reverse (6412051212), we get a palindrome (2127914197212).

The spelling of 2121502146000 in words is "two trillion, one hundred twenty-one billion, five hundred two million, one hundred forty-six thousand".