1212714401140 has 24 divisors (see below), whose sum is σ = 2778218446752. Its totient is φ = 440987054880.

The previous prime is 1212714401089. The next prime is 1212714401147. The reversal of 1212714401140 is 411044172121.

It is a junction number, because it is equal to n+sod(n) for n = 1212714401099 and 1212714401108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212714401147) 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, 2756168874 + ... + 2756169313.

It is an arithmetic number, because the mean of its divisors is an integer number (115759101948).

Almost surely, 2^{1212714401140} is an apocalyptic number.

1212714401140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1212714401140 is an abundant number, since it is smaller than the sum of its proper divisors (1565504045612).

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

1212714401140 is a wasteful number, since it uses less digits than its factorization.

1212714401140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5512338207 (or 5512338205 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

Adding to 1212714401140 its reverse (411044172121), we get a palindrome (1623758573261).

The spelling of 1212714401140 in words is "one trillion, two hundred twelve billion, seven hundred fourteen million, four hundred one thousand, one hundred forty".