1002212123454 has 24 divisors (see below), whose sum is σ = 2201205625632. Its totient is φ = 329494396320.

The previous prime is 1002212123449. The next prime is 1002212123467. The reversal of 1002212123454 is 4543212122001.

1002212123454 is a `hidden beast` number, since 100 + 2 + 2 + 1 + 212 + 345 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 381357942 + ... + 381360569.

It is an arithmetic number, because the mean of its divisors is an integer number (91716901068).

Almost surely, 2^{1002212123454} is an apocalyptic number.

1002212123454 is an abundant number, since it is smaller than the sum of its proper divisors (1198993502178).

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

1002212123454 is a wasteful number, since it uses less digits than its factorization.

1002212123454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762718592 (or 762718589 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 1002212123454 its reverse (4543212122001), we get a palindrome (5545424245455).

The spelling of 1002212123454 in words is "one trillion, two billion, two hundred twelve million, one hundred twenty-three thousand, four hundred fifty-four".