2120554453252 has 12 divisors (see below), whose sum is σ = 3749227719580. Its totient is φ = 1049346533376.

The previous prime is 2120554453231. The next prime is 2120554453273. The reversal of 2120554453252 is 2523544550212.

It is an interprime number because it is at equal distance from previous prime (2120554453231) and next prime (2120554453273).

It can be written as a sum of positive squares in 2 ways, for example, as 1122701299776 + 997853153476 = 1059576^2 + 998926^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2732672877 + ... + 2732673652.

Almost surely, 2^{2120554453252} is an apocalyptic number.

It is an amenable number.

2120554453252 is a deficient number, since it is larger than the sum of its proper divisors (1628673266328).

2120554453252 is a wasteful number, since it uses less digits than its factorization.

2120554453252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5465346630 (or 5465346628 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 2120554453252 in words is "two trillion, one hundred twenty billion, five hundred fifty-four million, four hundred fifty-three thousand, two hundred fifty-two".