1210745684954 has 16 divisors (see below), whose sum is σ = 1955875941600. Its totient is φ = 558789703920.

The previous prime is 1210745684921. The next prime is 1210745684959. The reversal of 1210745684954 is 4594865470121.

It is a super-2 number, since 2×1210745684954² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1210745684954.

It is not an unprimeable number, because it can be changed into a prime (1210745684959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284789 + ... + 1581959.

It is an arithmetic number, because the mean of its divisors is an integer number (122242246350).

Almost surely, 2^{1210745684954} is an apocalyptic number.

1210745684954 is a deficient number, since it is larger than the sum of its proper divisors (745130256646).

1210745684954 is a wasteful number, since it uses less digits than its factorization.

1210745684954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333085.

The product of its (nonzero) digits is 9676800, while the sum is 56.

The spelling of 1210745684954 in words is "one trillion, two hundred ten billion, seven hundred forty-five million, six hundred eighty-four thousand, nine hundred fifty-four".