1214515550121 has 32 divisors (see below), whose sum is σ = 1736918668800. Its totient is φ = 752602752000.

The previous prime is 1214515550113. The next prime is 1214515550123. The reversal of 1214515550121 is 1210555154121.

It is a happy number.

It is not a de Polignac number, because 1214515550121 - 2³ = 1214515550113 is a prime.

It is a super-2 number, since 2×1214515550121² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1214515550123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 325065 + ... + 1592073.

It is an arithmetic number, because the mean of its divisors is an integer number (54278708400).

Almost surely, 2^{1214515550121} is an apocalyptic number.

It is an amenable number.

1214515550121 is a deficient number, since it is larger than the sum of its proper divisors (522403118679).

1214515550121 is a wasteful number, since it uses less digits than its factorization.

1214515550121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267349.

The product of its (nonzero) digits is 10000, while the sum is 33.

The spelling of 1214515550121 in words is "one trillion, two hundred fourteen billion, five hundred fifteen million, five hundred fifty thousand, one hundred twenty-one".